[She hasn't really seen this side of Katsuki before. She watches the frustration he displays so freely, trying hard to hear what it is he's saying. Communication...really isn't his strong suit, is it? She can see it's hard for him. Maybe that's why it means a little more to her.]

No! No, you were right, I let my feelings get hurt when I should have seen that you were probably really scared and I should have kicked down the cell door and yelled "I QUIT! LET'S FIGHT CRIME!" or let you yell some more or fight me--!

[She throws her fist forward indicatively.]

I'll be sturdier for you, so I...I...oh...

[He thinks she's strong? ...Really? She points at herself.]

...You really think so?