How to increase my sex duration?

Try slow & easy: Slow down with thrusts, take deep breaths, stop moving when you first sense your orgasm may be coming & take deep breaths. Can also try pinching base of penis fro top and bottom with first sensation of impending ejaculation till feeling disappears. Could also try 2% Lidocaine jelly as lubricant on glans penis.

Kegel: Kegel exercises involve squeezing the pelvic muscles allowing you to potentially last a longer time. See your doctor for more answers.

Premature Ejaculator: This is a very frustrating situation for both the man and his partner. There are two common approaches. One is to actually start the man on a low dose medication that has a side effect of prolonging ejaculation. And there are plenty of sex therapists and other experts that can work with your partner on practicing how to prolong the time it takes to ejaculate...To learn some techniques....