yeah, the second one is really short and hard, thus "physiological sigh" when you do it you swell and relax your ribcage fast
https://www.youtube.com/watch?v=kSZKIupBUuc from what i've listened to about what he says, they proved it with proper studies that this technique is objectively effective
Ooo thanks for sharing the video
it definitely helped me, like i said somewhere else in this thread... i started doing it and now i catch myself doing it unconsciously, so it becomes a permanent habit once you start, similar to belly breathing I WISH THESE THINGS FIXED MORE THAN JUST MY SENSE OF CALM THO but that helps a lot maybe i'll finally find some reason and way to end up somewhere i can smoke dank skunk every day, it feels like the only thing i'm missing