I dont know what to do.....?

ok so im extremely phobic and i have have give in and gotten a bl**j*b but i regrent it and i dont want to do it ever again but every now and then i want to the kid i did that with is my best friend and hes bi but i dont like it and i have no atraction to guy i like girls but i keep thinking about doing that thing again but like i said before im phobic i got aressted for punching a gay guy in the face cause he kissed hiss bf in front of me. i dont no if im bi i dont want to be. when i told my frien that i didnt want to do it again he said he understood and said that i was probaly just od h*rny. but i dont know what to do. any ideas ?? o and by the way im 16 hes 15.