I write on the school bathroom stalls.

Even though that is defacing school property, at least you are trying to give girls some self-esteem. Bless ya.

Or not. Unthinking compliments that may or may not be accurate aren't much better than some ignorant ** yelling ** from a moving pickup.

It's nice that OP wants to use their graffiti powers for good, but they're going to have to use more effective wording.