Hi My Girlfriend and I are having some issues regarding me getting erectil dysfunction on occasion. Most of the time we have sex without any issues but then sometimes I just lose my erection. I always get turned on by her even the little things she does turns me on so much and I can feel myself getting hard through kissing or things she says and always get a hard on when we start touching each other but then on occasion when something like changing positions I can lose my erection. In addition to that, I was with a prostitute before I met her and she wants to know how I was hard for her and sometimes Im not hard for my girlfriend, I dont have an answer for her only that this doesnt always happen. She thinks Im not attracted to her but in truth Im extremely attracted to her and think she is so beautiful. She always turns me on. Any advice is most welcome Thanks