Breath comes up constantly in writing about tantra, usually in language that puts people off. The practical case is narrower and better: it is the one part of the nervous system you can operate on purpose.
Breathing gets mentioned so often in this field, and in such elevated language, that a reasonable person starts to discount it. The claims made for it are frequently unsupportable. But there is a smaller and entirely defensible case, and it is the one that actually explains why a therapist pays attention to yours.
Most of what the body does on its own cannot be reached directly. You cannot decide to lower a heart rate or loosen a shoulder by instruction. Breath is the exception: it runs automatically and it also accepts deliberate input. That is the whole basis of its usefulness here. It is the accessible handle on a system that otherwise has none.
Nothing beyond that is being claimed. No circulation of anything, no movement of anything through anything. A therapist watching your breathing is reading a signal and occasionally offering one back.
Breath reports on settling faster and more honestly than anything else available. People hold themselves still and call it relaxed. Breathing does not cooperate with that — it shortens when something has been rushed, catches when attention narrows, and lengthens when it has not.
So when the pace of a session changes, that is frequently why. A stretch that slowed down further probably slowed down because your breathing had shortened. This is also the main reason a session worked this way cannot be run to a protocol: the information arrives in real time and has to be acted on in real time.
People hold their breath. Not dramatically — a pause of a second or two, repeatedly, usually at the moments that most register. It is close to universal and entirely involuntary, and it has a cost: held breath keeps the body in the posture of waiting for something, which is the exact posture a long session is arranged to let go of.
Nobody is going to correct you. A therapist will simply slow down until it resolves, because it does resolve, given time and no pressure. This is one of several reasons an hour is tight and ninety minutes is not — resolving it takes a while, and it takes longer if anyone is hurrying.
There is no exercise to learn beforehand and no technique to bring. If a therapist mentions breath at all it will be once, briefly, and it will be a suggestion rather than an instruction. But since people ask what they should do, here is the honest short list:
That is the extent of it. The rest happens without instruction, which is why it is not worth building a vocabulary around.
The tantra massage page sets out the format this sits inside, and the guide to a first session covers the practical side. Sessions are outcall across central Amsterdam, at any hour, arriving twenty to thirty minutes after a booking is confirmed.