What do most girls do when they go to the restroom together?

Most girls like to go to the restroom together when in a public place like a club or a restaurant. They cannot all possibly be going there to put make up on or fix their hair... So what do they do that the other girls don't mind going with them. I mean restrooms are mostly stinky, dirty, gross. Not a place where you'd like to be if you didn't have to.

What do most girls do when they go to the restroom together?
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