Deviance

This week in class we have been talking about deviance. I learned that deviance depends on when you are some place or where you are, you might be considered deviant or might not. On story that stuck out to be during class was wen a girl raised her hand and told her story. She said that in her culture the guys kiss each other on the cheek in order to greet one another. In her country they see a lot of guys kissing on the cheek but they are just saying hello but if we saw two guys kissing each other on the cheeks in America, we would think they are weird and different. So why does our society set norms for every culture?