Hentai Quotes - Well, this gives a whole new meaning to 'come inside'

Actually, this is what generally happens when one closes off their urethra during ejaculation in a certain way. During the process, the prostate is predisposed with the act of ejaculation, so the semen is instead redirected into the urinary tract, entering the bladder. The process is scientifically called retrograde ejaculation.

I look weird shit up sometimes.

I don't think that's healthy