:What are acceptable mores for behaviour and reprisal?
Well there are as many different acceptable/not acceptable levels of sexual play as there are occassions when humans meet on this planet. This a very difficult thing to legislate because of that fact. But it's also hard not to "personalize" the discussion, because lets face it, no one (except a few religious nuts) wants to live in a non-sexual world, and we all want leeway for our own attractions. So if we don't talk specific incidents, it gets rather silly rather quickly; "a man should NEVER....", "a woman should NEVER....".
I think New Light and Avishai just threw a couple of material points into the ring. I'll throw another in: Until you have your shit together, you should not get drunk, whether you're 15 or 50.