They handed me the shift lead badge and a dollar-something raise, and suddenly I'm supposed to write up and correct the same coworkers I take breaks with. These are my friends. Now I'm the one who has to tell them they're late or they messed up, and I can feel it changing how they look at me.
More people experience this than they realize.
A tiny raise made you the one who has to discipline your own friends.
If this sounds familiar, the Library can help you find the bigger picture.