What does Snape do while grading? Listen to music? Drink? (Drunk grading would be hilarious)
Digestables with chocolate on one side? CHECK.
Red self-inking quill? CHECK.
Snarky wit? CHECK.
Patience? ABSOLUTELY NONE AT ALL.
Severus ends up stomping out of the office to patrol the halls after having to read Ron Weasley’s awful five-inch paper about Snorfgrass being a fun pillow substitute.