My mileage does indeed vary. I always feel either oxygen-deprived or high on hyperventilation after. Telling myself to breathe slower is fine. Just not at some

My mileage does indeed vary. I always feel either oxygen-deprived or high on hyperventilation after. Telling myself to breathe slower is fine. Just not at some predefined interval (or worse, whatever interval the yoga instructor feels like I should be breathing at)