I'm sorry expert, I am a gay, I often and strange man mutual masturbation, a few days ago, I and a strange man mutual masturbation, although we did not use semen do lubricant, but I think my glans penis and urethral orifice must contact to his prostate fluid, because he has been fingers friction my urethral meatus, I wrapping is too long, I am afraid, I am in www.thebody.com also refer to the relevant behavior stick son, they said behavior risk is very small, but they also say that if there is liquid contact urethral meatus may constitute a infection. In our web site, I see the information is unified "no infection," I don't understand, why? Why do you be so sure? But some experts are withholding? I only have a mutual masturbation, and I want to keep it that way, too, I can have risk? I need to put an end to this kind of behavior? Thank you again for you, look forward to your reply! I will use your proposal guide my future behavior