You catch Izuku cheating on you with Uraraka. You are obviously distress but you don’t tell them. You simply stay in the relationship like nothing happened, but you don’t tell stop giving him all the attention and affection. You start treating him more like a classmate than a boyfriend. During a certain spar with you and Bakugo, you guys are at the climax of the fight when you both stare into each other’s eyes for a moment to long. And Izuku notices.