Im 18 years old and can’t finish when having sex. Im in a relationship with a girl that has never had an orgasm before because it’s also almost impossible to finish, so it is not killing me like it did with my past relationship since she understands me. However, I’m worried about this, i’m so young and i’ve finished twice in my life when having sex, one of them because i had no protection and felt it a LOT, the other one because it was the last time I was gonna have sex with my partner before i ever saw her again because of University (i can masturbarte and finish no problem).
I feel like my problem comes from two reasons. First, i’m circumcised which i believe it has lowered my sensitivity a lot, secondly, I have been masturbating a lot since i was 11 with a dead grip and never lube so i also believe my body has learned to ejaculate in only a specific way.
How can I overcome the sensitivity problem?