So I shouldnt really worry or be embarresed if this would happen during sexual activities with a significant other?

Hi, I am a 16 and a half year old male and recently I have been exploring more about masturbation or jerking off or what ever you want to call it. I've been doing it alot and I always seem to ejaculate pretty fast(like 1-2 mins). Is this normal? Or is there a way for me to not ejaculate so fast? I a...