I am almost done with high school, and have really bad OCD. I have been with my boyfriend for eight months, and we plan to wait to have sex (we are virgins). However, we still do sexual things... One night, we were fooling around and there was the usual fingering, hand job, oral...then he came behind me and grinded on me (he had no pants on and I was wearing my thong). And I felt his penis tap against the outside of my vagina and it lasted maybe a tenth of a second. Of course I panicked and stopped right away! He was confused and didn't feel anything at all. I figured if something bad were to happen, he would be panicking also. We checked, and his penis was dry (but still hard). I know about Pre-ejaculate and how it can cause pregnancy, and I keep researching about it and cannot find an exact answer (he hadn't ejaculated for probably a month). PLEASE HELP ME IM TERRIFIED