As a result, most men ejaculate quickly in their early sexual years when they are young and inexperienced. With masturbation, the adolescent or young man learns various techniques that allow him to maintain a high level of arousal without ejaculating. As the young man becomes sexually active with a partner, these skills. Premature Ejaculation ("Cumming too fast"). What is premature ejaculation? Premature ejaculation is when a man feels that he ejaculates sooner than he should. The average time to ejaculation during intercourse is 15 minutes. Some males may last longer; some may not. It is not always clear why men develop premature. Hi,. My age is I think I started masturbation around my age ~ I am still a virgin. I am not a hardcore masturbator, I masturbate around 1 or 2 times in a week, in some weeks I don't do that too.. I don't have any bad habits like smoking, drinking.. Now, the problem is, Since the day I started I cum within.