It should shrink the prostate and what was left of the semen should become seminal fluid. It is not much.
Sexual gratification seems to arise from dopamine (ie l-tyrosine). I take dexedrine and dusastride and I spit up 3-5 times a day like I did when I was 10 years old on my blanket, no problem.
I would have started dusastride 14 years ago when I first started pulling out my mustache. I glad I did not develop body hair.