[DiveDeep3r99]

hey, ive been doing breathing exercises for 2 days now, yeh, im newbie...but my first try i held for :40 seconds...ive looked at some techniques and im up to 1:30 on my 3rd day... i know that stinks, but im just begining and im wondering if thats a good increase.....tips please...im also 15 and would anyone have a idea on how long im capable of holding for? thanx
-Mike