I am 19 yr old. I masturbate daily since i was 16. But from last 2-3 months i masturbate only 2 time a week. As i found my girlfriend. She is a virgin and wants to have sex with me. But since she came in my life i have lost my libido. My penis do not get erect easily. I fear i may not be able to satisfy her. It is my first time too. And she fears that first time sex hurts and it bleeds. Pls help.how to increase my libido and how to have sex with her for first time.