I'm a 17 year old male and have just recently started having sex with my girlfriend of 6 months. However, I have never been able to ejaculate during sex or any other form of stimulation. My girlfriend has been very supportive and insists that it isn't a big deal and tries to make me more comfortable, but it is still very frustrating and embarrassing. I have done some research on it and I think I have delayed ejaculation, caused by rougher masturbation in earlier years. The general advice I've gotten was to see a sex therapist, but as I am only 17 and embarrassed to tell my parents not only about this condition but also that I'm having sex at all, I don't really have access to a therapist. Are there any other things I can do to treat this at home, or will I just have to find a way to deal with it?