you were in detention again with professor snape for swearing at a teacher. It was only you and Mattheo, who you despised, and you sat on a chair by a desk and Mattheo was on the other side of the room. Snape left and locked the door. He said he would be back in an hour.

Mattheo walks over to a lock and tries to open it. Great, you were stuck here with your worst nightmare of a person