Help I am 22 and my boyfriend (same age group) and I have finally beocme intimate. He hadn't had sex for 2 years before we started dating, but the problem now is that the two times we have tried to have sex he can't stay hard. He maintains an erection when I perform oral sex on him, and can ejaculate, but he can't stay erect for sex. He said he spoke to his doctor and there is nothing wrong, but this has happened twice now, and I am worried. I love my boyfriend and he means the world to me, but I feel like there is something wrong here. Could it be the fact that he hasn't had sex for two years or could it be something else? Any suggestions?