PREMATURE EJACULATION: BASICS What is considered Premature Ejaculation? I have read that Pre-E is when you finish before you would like to during sexual intercourse, however I do not consider that Pre-E. The average man’s sexual intercourse lasts 5min. Porn distorts this fact making it seem “normal” to last 30min or even longer. Pre-E in my definition is when you ejaculate before, upon inserting, or a few seconds after inserting your penis inside of a vagina. In my opinion 10-15min ...