Help me keep faith!!!

I am 19 years old, and it has been a little bit over a year since I was born again... And I've been trying to preach to my co-worker and he has finally accepted Christ as his savor, but that is no the reason why I need help. I was raised as a catholic and my parents don't really support me with my choice that I have made. I have never had a girlfriend and I am still a virgin. Lately I've noticed that Feb. 14th is coming up and I feel really lonely. It gets to the point where this emptyness keeps me away from reading daily and it makes me want to start doing drugs witch I have never touched in my life... I just feel so lost right now! And living in a city where sin is promoted really doesn't help...I've tried talking to my new Christan friend but he can only be there for me so much. I know the Lord God will help me but it seems like he hasn't been listening to me. I want to cry to him but something isn't letting me. Please, please with all my heart someone help me keep faith in him because I am loseing faith in him fast and that is something that I am not planning on doing... Please HELP ME SOMEONE!!!