For myself, I try not to offend. In turn, I am next to impossible to offend. I simply don't care enough. When I post responses to people's work, I'll be constructive. I'll shut up (as Bambi's mum says) if I've nothing constructive or complimentary to say. When I post responses in provocative threads, I try to be polite. There is never any harm in refraining from screaming obscenities, and often harm in not doing so. And should anyone take it upon themselves to insult me, well, it's really not worth their while. I pay attention to honest criticism and well-behaved commentary. The moment the screaming starts, I'm out. Not that I don't like a wee bit of fun here and there... just so long as nobody loses an eye.