From Wikipedia: "Some men experience depression or anger and go through a period of mourning over the loss of their reproductive ability. This emotion is similar to what some women experience after menopause. Approximately half of all vasectomized (notice how close that word is to "victimized") men prefer to keep their sterilization secret. Depending upon the study, between five and eleven percent of men regret the decision to have a vasectomy.
Of course these Wikipedia descriptions are often open to debate.