Can masturbation help and train me to last longer in bed?

Get some lube, and begin to masturbate in your favorite position, but right before you , STOP! Put your hands down, or put them behind your head, so you don't . Let your get just a little soft, and then start again, and once again, right before you , STOP. If you do this at least four times, not only will it prolong your session greatly, it will make you a lot more semen.