So I had sex with a girl in Tobita Shinchi. And that was my first time for sex. The girl put the condom on me when I was not erect and gave me a blow job until I erect. After that we had sex, the condom stay on the whole experience. What concern me is that the condom is supposed to be put on fully erect penis only. But the girl put it on me when I was not erect. So there might be some air space inside condom that vaginal fluid could get inside from the base during sex?What are the chances from getting HIV from this?