> I will say that it was one of the best changes I ever made to my life. Wohoo! That's awesome, congrats! :) It is rather surprising just how much air needs to

> I will say that it was one of the best changes I ever made to my life. Wohoo! That's awesome, congrats! :) It is rather surprising just how much air needs to be exchanged, which is crazy and definitely not intuitive. (And I could definitely see how it could be demotivating... but, hey, we do breathe out quite a bit!)