After reading over the excellent posts by others in this thread I realized that the topical areas are ones that we would naturally gravitate toward. They are all important, incest, underage sex, prostitution, even infidelity. And each one of these topics, if viewed both culturally, and historically, have been at times both embraced by mankind and rejected. The things I think of immediately when posed with the question, "what sexual activity should be discouraged?" are acts of brutality. Whether they be true sexual acts, or acts perpetrated within the parameters of sex activity,........ rape, murder and torture, regardless of the age or sex of the victim, should never be tolerated; should never be excused.