I went into the bathroom before fifth hour to check my make up, since I have weight training for fourth. I walk in, and there's only one other person in there and she's in one of the stalls.
She starts panting and groaning. I stood completely still for a second, wondering what the heck was going on. She did not stop for at least five minutes. She was even still doing it when I left the bathroom.
It was completely weird, and I don't even want to know what was going on.