It's a very good thing that he remembered, because he was about to get asked the same question about misjudging her intelligence. She's a fencer, she reads body language like second nature, and 'hey touch my dick' is a pretty easy gesture to read. Any protectiveness she has in Clarke's direction is solely and specifically as a friend and not because she was stepping in as a butch in shining armour. Shut up. She attempts to imitate the vicious authority of her mentor in her closing remarks.

"Good. Same to you as Clarke; start shit again and get kicked out."

She nods, her wrist resting on the pommel of her rapier as she stalks back to her spot on the sidelines.