Matthew didn't particularly dislike AP Biology in itself. He did, however, absolutely despise the class he was assigned to for two reasons;

Reason 1: Mrs. Holstein. Mrs. Holstein was a strict teacher who's tests never matched the lectures and constantly gave out group assignments.

"Group 4: Matthew and.."

Reason 2: There was a certain someone in his class that always got on his nerves, was his only challenge for top of his class, and the one he was just assigned a group project with.