I mean, I don't hold it in forever, maybe like ten seconds, but what I do is blow the smoke into a grocery bag and re-inhale it. That definitely works for me, but also depends on the quality of the smoke. Reduce reuse recycle! Haha.
I knew a guy once told me : «you know what’s the best thing in life kid? Smoking a good puff of crack while sodomizing a women and then you CUM and EXHALE». 5STAR orgasm warranty