I'm a 17 year old male currently involved in a relationship of four months. I'm a virgin, and I am also "questioning" about my sexuality, but my girlfriend is unaware. There was a time when I would consider myself bisexual, because I am attracted, physically, to males but not emotionally, but I'm still not entirely sure that I am bisexual. My girlfriend is much more experienced than I am when it comes to sex, but she has never gone "all the way" and she wants to do this for the first time with me. I want to really bad as well, and we plan to soon, but I can't shake the feeling that I will be doing something wrong if I have sex with her and I'm still not fully comfortable or aware of my sexual orientation, or that I want to be in this relationship forever. I would however like to lose my virginity for the first time with her. Would it be wrong if I am still considering myself questioning and we still went all the way?

Once intercourse begins I ejaculate in about 20-30 seconds give or take. I want to be able to last longer in bed. I hear my roommate go for an hour or more. This is embarrassing to the point that many girls express interest in me but I try my best to avoid them due to the disappointment which I know they will face when we have intercourse. I want to be able to last long during intercourse and please my partner. These days a healthy relationship includes pleasing the woman sexually, something I know I am not presently capable of doing. I don't want to get in a meaningful relationship only to have it end because I suck in bed. What can I do? Should I seek some some sort of sex teacher to help me with this issue or do I have to live with this fault?