It depends entirely upon the society. During parts of the Roman Empire there were all sorts of things allowed that people in today's Western cultures would consider wrong. Every culture has the concept of morality but the specifics are subject to the social, political and economic influences present.

I did a lot of pre-reading for Logic & Philosophy this semester, it's sort of on my mind.

Also, you seem to be terribly interested in 'homoerotic tension' so I'm pleased to inform you that you've really come to the right place.