1st u got to long duration, 2nd good in sex, sure u can let gals
reach orgasm.
dun use underwear for some times. then can last longer duration,
thats my experience
to share with u guys. also give up smoking, thats really can
make u stand for 30 mins.
good in sex got to be check out where the part of gals enjoy it
n got to remember it.
then u will satisfield her.