I don't mind seeing some forms of affection in public. It makes me feel good to see people happy and in love. Holding hands, hugging, walking arm in arm or arms around each other, and some light kissing are all fine with me. However, I don't want to see a heavy make-out session or the touching of private parts. I think there is a time and a place for that, and a public place is not where gestures like that should be shared.