The Taoist school compressed the whole physical ladder into three lines, and they get printed as a block:
When your jing becomes full, you won't think of (feel you need) sex. When your chi becomes full, you won't feel like eating. When your shen becomes full, you won't feel like sleeping.1
Three substances, three signs, and every one of them is an absence. You don't check your progress by what has appeared. You check it by what has stopped bothering you. The three basic drives — sex, food, sleep — drop away one at a time, in that order, and their dropping away is the readout.
The framing of what these are is worth holding onto, because it sets a standard the rest of the chapter has to meet: these are scientific relationships, and you have to know these to understand the stages at all.1
Look at what the negative form does. A positive sign — a light, a heat, a vision — has to be produced, and anything produced can be produced by other means. A negative sign can't be manufactured the same way. You can't make yourself not want food. You can refuse food, which is a different thing and shows as effort.
That's the strength of the scheme, and the mechanism gets stated as an unforced consequence:
At that point, your body will become comfortable and you won't think of sex, and this will be an entirely natural outcome that occurs without any necessary activity on your part.1
And what fills the space isn't willpower but supply. Chi fullness reduces hunger because you'll be full of life energy and eating will be seen more as a habit than as a necessity.1 Shen fullness reduces sleep because awareness is keen and sharp — and the specific comparison he draws is telling: awake without being "jumpy" as we would find in typical reactions to caffeine.2 Alert but not wired. That distinction is doing diagnostic work, and it's the kind of detail a person who had only read about this wouldn't think to add.
Then a mirror-image triad, stated as prohibitions rather than as signs:
If your jing doesn't become full, you can't experience [the stage of] physical bliss. If your chi doesn't accumulate, you can't experience [the stage of] internal light. If your shen doesn't condense, you can't experience [the stage of] no-thought.2
The bracketed insertions are the author's, not the source's. This second set is the more useful of the two, because it runs the diagnostic backwards. The first triad tells you what you should be losing. The second tells you what you can't be having — and it's a list of the three states practitioners most want to report.
Bliss, light, and no-thought. Each one is gated on a substance being full, and the gate is stated as an impossibility rather than a difficulty. Which means a report of any of the three, from someone whose corresponding drive is still fully operational, is on this scheme not a modest attainment but a misidentification. Someone describing internal light while eating three meals a day out of appetite is describing something else.
It's explicit that these aren't metaphors: the sentences describe various gong-fu phenomena that will appear on the cultivation path and the corresponding esoteric biophysics responsible for their manifestation, and he claims they do so as any good scientific statement would.3
Then the sentence that saves the whole scheme from being useless, and it's a single sentence:
Sometimes cultivators who do not feel like eating much or who experience little in terms of sexual desire are actually sick or just weak rather than advanced in their cultivation gong-fu.2
There it is. The signs are absences of drive — and illness, depression, exhaustion and simple depletion all produce absences of drive. The best case and the worst case present identically.
That's a serious problem for a diagnostic and it never gets solved. There's a gesture at moderation — follow what the Greeks always said, that moderation is the guide and we should follow the golden mean — and warns against rigidly following ancient customs about eating "without understanding, especially as regards eating habits, for who knows why they were established."2 But look at what the scheme itself makes available, because there's a discriminator in the text even though he doesn't name it as one. The fullness version comes with comfort — the body becomes comfortable, the awareness becomes keen and sharp and not jumpy, the state is described as positive throughout. The depletion version has none of that. Same absence, opposite tone, and the tone is the only thing separating them.
The evidence that this matters is his own two examples: "both Buddha and Milarepa, after nearly starving themselves to death, had to eat nutritious food and restore themselves to health before they could achieve enlightenment."2 Two of the tradition's central figures ran the false positive to its end and had to reverse it.
You've been practising for a while and you notice you're eating less. Not dieting — just less interested. The scheme says this could be chi filling or it could be that you're run down, and it gives you one discriminator: how does the rest of you feel? If the reduced appetite comes with comfort, warmth and a clear head, it reads one way. If it comes with a flat, grey, effortful quality, it reads the other, and the instruction isn't to press on. The examples given are Buddha and Milarepa having to eat their way back.
Now the more common version, which is the one that will actually come up. You're sleeping less and you're pleased about it. The check here is caffeine-shaped: alert, or wired? Keen and sharp without jumpiness is the described sign. Lying awake with a busy mind isn't shen fullness, and reclassifying insomnia as attainment is the specific error the passage exists to prevent.
And the discipline that follows from the second triad. If you find you're having experiences from the wanted list — bliss, internal light, no-thought — run the gate backwards before you accept them. On this scheme they're impossible while the corresponding drive is intact, so the honest first question about an experience of internal light isn't what was it but am I still hungry.
The chapter's fullest description of what jing-to-chi transformation actually feels like is a long quotation from a Tao-school text, and it's worth reading closely because of what happens to it mid-quotation:
When [the state of jing transforming into chi] is produced the practiser will feel as if the top of his head is raised; the dragon's hum and tiger's roar are heard in his ears; his body floats on the clouds and itches all over; he rises in space and rides on the wind, with an accompanying sense of boundless bliss. [This is a poetic description of the stage of ching-an, or lightness and peace, which is a precursor to genuine samādhi attainments. The description, while a bit exaggerated for emphasis, is technically quite accurate…] He will then feel as if a spider's web covers his face or tickling ants swarm over it from his forehead to the bridge of the nose, eye sockets, cheeks, jaws, teeth and mouth causing continual secretion of saliva which cannot all be swallowed… his breathing (appears to) stop and his pulses (to) cease beating.4
Three things are happening in that passage and they shouldn't be run together. The bracketed sentence is Bodri's, inserted into the quotation. It's not the Tao school's. And it's doing substantial work: it downgrades the ecstatic language (a bit exaggerated for emphasis), relocates the whole passage to a named preliminary stage (ching-an, a precursor to samādhi rather than samādhi), and certifies the rest (technically quite accurate). A reader skimming takes all of that as the source's own modesty. It isn't.
The symptom list splits into two registers and only one of them is checkable. Rides on the wind, floats on the clouds, boundless bliss — unfalsifiable. Spider's web across the face, ants from forehead to jaw, continual salivation that can't all be swallowed — specific, physical, and the sort of thing a person either experiences or doesn't. The salivation detail in particular is odd enough to be worth something: it's not a thing anyone would invent to make a mystical state sound impressive.
And the passage ends by re-deriving the three fullness signs from the inside. Fullness of vitality makes the practiser forget all about eating; then stillness and radiance of spirit which, when full, will make him forget about sleeping; then breathing appears to cease and a massive golden light manifests.4 The same three-step sequence, arrived at descriptively rather than as a maxim. Which is the closest thing to independent corroboration the chapter offers, though it's corroboration from within the same school.
The text then adds a list of ten excesses to avoid during the growth of the immortal seed — walking, standing, sitting, sleeping, listening, looking, pleasure and the rest, each mapped to a specific organ or faculty it damages.4 Bodri prints the list and doesn't comment on it.
The most human observation in the chapter is about how the signs are actually received:
Most people become afraid at this stage that they're doing something wrong, but it's not a pathological state or negative psychological condition.2
Sex, food and sleep (as well as the desires for fame and fortune, etc.) are the major enemies of cultivation, but when people experience the lack of these desires they typically get scared. In fact, they become disoriented as to what's really natural and healthy in terms of human development. Due to our upside-down topsy-turvy minds, it's common for people to take black for white and white for black, and thus mistake a wonderful sign of cultivation progress for an illness or aberration.2
This is a genuine trap and it's symmetrical with the false positive, which is why the two belong on the same page. The same ambiguity that lets illness masquerade as attainment lets attainment masquerade as illness. And a practitioner has no reliable way to tell which error they're making, because the presenting picture is the same in both directions. Bodri's answer is a use-it instruction rather than a test: when shen fills and sleep drops away, "it's a good time to keep meditating and to try to let go of all mental objects." And a warning attached: "what you mustn't do at this stage of progress is carelessly lose your jing and chi through sexual activities, otherwise you'll lose this stage entirely."2
The state is reversible, and reversible by one specific act. Which makes the three signs not just markers of position but markers of a position you can fall out of.
Buried in the chi section is a claim that gets no emphasis and deserves some:
Our excessive intake of food is largely responsible for the excess of random thoughts and sexual desires we experience, both of which represent hurdles on the cultivation path. While society definitely needs enough nutritious food, it's excessive nutrition that is actually detrimental to spiritual cultivation.1
So the causal arrow runs from eating to thinking, and from eating to desire. Which means food isn't merely the second sign in the sequence — it's an upstream input to the first one. Overeat and you produce both the random thoughts that obstruct emptiness and the sexual desire that threatens jing.
That would make dietary moderation the cheapest available intervention in the whole system, and it's consistent with the practical aids Bodri lists elsewhere for getting past the first barrier, where eat less comes first. He immediately fences it: "don't go rushing out to starve yourself… if you don't take care of the body, then there is no way you can succeed in cultivation."2 And the fence is load-bearing, because the failure mode it prevents is the one his own two examples ran into.
He also separates bigu — the "eating air" fasting practice — from ordinary fasting. And the separation is sharp: there are many who can fast for long periods of time without eating, but that doesn't mean they've reached the stage where their jing has been transmuted into chi.1 Fasting is an act. Not being hungry is a sign. Doing the thing the sign consists of isn't the sign.
Strongest support. The negative form of the signs is the sturdiest structural feature.1 Positive markers can be manufactured; the absence of a drive can't be, at least not without the manufacture showing as effort. That gives the scheme a resistance to self-deception that most attainment-markers in the book lack, and it holds independently of whether jing, chi and shen exist.
The tension the source does not close. The signs are absences of drive, and illness produces absences of drive.2 Bodri names the confound in one sentence and offers no test, only moderation. The discriminator his own text supplies — comfort and clarity in the fullness case, absent in the depletion case — is never stated as a discriminator.
A second tension, symmetrical with the first. Practitioners mistake the signs for illness and mistake illness for the signs.2 Both errors are named on the same page; neither is given a resolution; and the two together mean the diagnostic returns no reliable reading in either direction.
A third, on the inserted gloss. Bodri's bracketed sentence sits inside a quotation and performs three separate operations on it — downgrading the language, relocating the stage, and certifying the accuracy — in the source's voice.4 ⚠ Attribution on that passage must separate the bracketed material from the quoted material.
A fourth, on the standard claimed. The triads are offered as any good scientific statement would be.3 They carry no measurement, no threshold, no confound control, and — by the author's own admission one page earlier — a known confound with no test attached.
A fifth, on citation. The long symptom quotation is a Tao-school text reaching us through Lu K'uan Yu's Taoist Yoga.4 The chapter refers the reader onward to Nan Huai-Chin's Tao and Longevity and to Twenty-Five Doors to Meditation rather than developing the material — an instance of the standing "the explanation is in the other book" pattern.2
And the standing scope limit. These are physical markers of position on a ladder footnote 518 calls false stages, with three real jobs named — rest stops, verifications, motivational assists.5 The three fullness signs are, on the book's own accounting, verifications. That's one of the three jobs the machinery actually does, and it's the one this page exercises most cleanly.
Open questions. If comfort is what separates fullness from depletion, is that discriminator reliable in the one population where it matters — people who are both practising hard and somewhat unwell? And the causal claim that overeating produces random thoughts and sexual desire is unusually checkable for this material: is it a tradition-internal observation, or does it have anything behind it?
Read with Jing, Chi and Shen — The Three Essences, this page is that page's instrument panel. The three substances are defined there; here is how you read them off a body. And the reading inherits the proxy problem: jing fullness is registered through sexual disinterest, which is a fact about the narrow endocrine sense of jing, not the broad cellular one the same chapter says is the real thing named.
Against Jaḍa Samādhi and the Biofeedback Problem, the two pages are the same project run with opposite discipline. There a physiological readout is taken for the state it is supposed to indicate, and the readout turns out to be producible on its own. Here the readout comes with a named confound and an unforced-outcome criterion — the sign must arrive without activity on your part. That criterion is exactly what the biofeedback case lacks, and it's the one piece of methodology the fullness triad has that most of the book's physical markers don't.
With The No-Leakage Principle Across Traditions there's a neat closure and a live problem. The closure: retention fills jing, and full jing shows as sexual disinterest, so the sign confirms the practice. The problem: the sign and the practice are the same behaviour observed twice. A person practising restraint and a person whose jing is full both present as not having sex. And the scheme offers wanting versus refraining as the difference — which is available only to the practitioner, and only if they're honest.
Against The Sexual Desire Test, the first fullness sign is that page's criterion arriving in Taoist vocabulary — and this page adds the confound that page doesn't carry. Absence of sexual desire is a positive marker there and an ambiguous one here, and the ambiguity is Bodri's own.
Same presentation, opposite endings — Burnout vs Breakthrough. That page's whole subject is a pair of states that look identical from outside and diverge completely in what they produce: two people work to the edge on the same hours and the same exhaustion, and one comes out hollowed and cynical while the other comes out clearer and changed. The page's claim is that the difference was never in the intensity, and that mistaking one for the other is among the most consequential misreadings a striving person makes. The confound here is the same confound, arriving through a different door. Reduced appetite, reduced sexual interest, reduced sleep: fullness and depletion produce the identical presentation, and the practitioner is the only observer. What the pairing gives that neither side gives alone is the shape of the discriminator, because both fields independently reach for the same one and neither names it as a method. The psychology page separates the two by direction and recovery — what the state is heading toward, and what it does when rested. Bodri separates them by tone — comfort and keen non-jumpy clarity in the fullness case, absent in the other. Put them together and the discriminator is neither the symptom nor the interpretation but the second derivative: not what you have lost, but what the loss is doing over time and how the system responds to relief. Give a depleted person food and rest and they improve; give a full person food and rest and nothing changes, because nothing was missing. That's a test, it's available to a practitioner, it costs a week, and it's exactly what Buddha and Milarepa performed on themselves — ate, recovered, and discovered which state they had been in. Neither field states it as a protocol, and both contain all its parts.
One handshake. A second — that a negative sign resists manufacture better than a positive one — is a real observation but belongs to this page's own argument rather than to another domain's finding.
Sharpest implication. A diagnostic whose signs are absences will always share its presentation with depletion, so it can't be read from the sign alone — and the only available discriminator is what happens when you supply the missing thing, which means the test for spiritual fullness is to eat, sleep, and see whether anything changes.
Generative questions.