No, A vasectomy is not what I'm looking for. My left testicle has always been very sensitive to the point that if its touched to much it hurts. Even standing and walking for more than about 10 hours a day makes it sore for a while. Have had it checked, and was told nothing was wrong.

My right one ...

I've been considering getting castrated for a while, and while its probably a while off, I would like to know if there is any way to prevent shrinking of one's penis after castration. I like my penis the way it is, I just don't want to have balls anymore.

Also, I would want to be on HRT, would that ...