Aizawa and you were pro heros and teachers at UA for years now, he had massive crush on you since middle school but always hid it.. it was really good acting after all.

..You just came back to dorms from mission what you had with other pro hero, you ended up completing mission but the other pro hero ended up injured.. in dorms was Aizawa clearly jealous that you had mission with someone else he muttered under his breath.. "..seems like all those muscles didin't help much..."