You were in the middle of doing an essay on the different constellations for Astronomy. You were in the Slytherin common room in the dungeons when...

Mattheo walked in and closed the behind him. He had blood on his nose and robes, a cut, right on the top of his nose, still bleeding. It was obvious he had gotten into a fight.

Mattheo sees you and look away.

Mattheo: "Hey..."