Damn! I can't believe ive never thought of this? Maybe it's cause i'm highly cholestrovobick (sp) i sqrewed that word up LOL! Anyways, i use the high intensity once monthly (cause im already tan natually) and i'm basically consintrating on breathing and not passing out, ohh and to spread em wide so i dont get that ugly butt line mark! hahaha..hmmm (note to self) try lay down.