complex breathing-related puzzles:

For myself, based on prior actions and "karma," I've encountered a collection of a series of [sic] intermittent puzzles where a few things together have to be (mostly) surrendered and lightly coordinated at the same time. It's something like this:

Some breathing-related muscles want to tighten which feels creepy and restrictive, so have to figure out how to feel safe letting that happen.
And that, re creepy and restrictive, does indeed then generate a sort of combination pseudo air hunger and anxiety(?). And [yet] /that/ sometimes causes a series of “quick breaths” (sometimes with the originally involved muscles and sometimes yet other muscles), if you can figure out how to allow them, which are some sort of good redo-to-undo and/but actually heighten the pseudo-air-hunger and anxiety while they’re happening. Have to figure out how to feel comfortable letting these happen, the quick breaths and the pseudo air hunger and anxiety(?) that they heighten.
Also periods of not breathing [during this] that will eventually lead to [also/additionally] [safe but] “real air hunger.” Have to figure out how to breathe (or allow breathing) “around” the tight breathing muscles so that they’re not disrupted from whatever they are wanting to do. AND, have to /not/ breathe “around” if the quick-breaths are the thing that want to be happening INSTEAD; let THEM be responsible for all breathing if they’re happening.
Kind of have to LET this whole aversive, evolving process-complex FORM and then evolve and sort of have to minimally-actively (as effortlessly as possible) help it maintain itself while staying out of its way and breathing around it when needed, again without getting in its way, without disrupting it, so it can move through its whole thing. And first you unintentionally disrupt its formation a bunch of times but you’ll always get another chance immediately or eventually and you just do the best you can.

(These are often deeply layered! It may be several thousands of hours before you encounter something like all this, or it may take some time before all the parts gather together so it's recognizable as such. That doesn't mean you're doing anything wrong at all. It's just the long-run "ordering of [the undoing of] the layer structure".)

And sort of from felt-within that complex configuration you sort of settle, wait, surrender, let go, be patient allow for effortlessness (again maybe with some light managing around the edges, depending) as it does its thing.

(Sometimes there can be additional some or any of jaw, mouth, neck, throat, tongue, etc. wanting to settle into or let be helped or gently stabilized into a particular complex, evolving-dynamic-equilibrium muscular configuration, position, set of dynamic tensions, too.)

(Not everyone will have stuff like this! It's really dependent on prior everything. Might be like pretty close to a "worst case" type of thing---and they're untangleable! In practice and in principle bc buddha nature, etc., etc.)