My two cents for what it is worth.
1. What do you really want out of the life? Truly. As you said you consider yourself bi, then; if you want to be a father with children of your own, then your decision would be one way. If you want to be like me a man whore that is ruled by sex, that is a different route.
2. I am a top who fucked a lot of men. I am hiv positive. How did I get it, doctor said I probably got it at the same time I got syphilis. Just become someone is on meds for HIV, does not mean that they don't have other diseases. Hep C is a bigger killer now than HIV.
The choice is yours. I am 49, and I will say I have slowed down my sex life in recent years, mainly because I live in a rural locations and I do not want to ruin anyone's life with hiv and having to take the fucking medication.
So whatever you decide, good or bad with the outcomes, only you have yourself to thank or to blame.
Good luck and I wish you well on your decision.