she wasn't like everyone else. She was like Elliot. Carmen was different. She was also innocent. Elliot needed to understand more. She can't be so innocent. He had to know more.
Izuku breaking an arm or a leg it's nothing compared to what he will go through, he knew she was looking at someone else but his foolishness didn't let him see that. Now he needs to learn to endure it or he will be a walking stress time bomb.