Becoming radically breath-pilled isn’t necessary. Just practice nasal breathing as the default and use some 3M micropore tape to mouth tape overnight. True life changer. Optional: read James Nestor’s Breath book, get into proper breathwork.
That's what this whole thing is about. You don't need more air. You need a better system for moving the air you already take in. And every part of that system can be trained.
Why The Best Athletes Breathe Less Than You (And How You Can Too) - YouTube ↗