[Oh no- When Katsuki turns around and looks at him like that Izuku feels the rush of nervousness hit him like a truck.]

Oh- It's ... It's nothing. Really. [fjgdkfgdf] Okay, it's something important but it's something that I've wanted to say. But you don't have to listen to me if you don't want to, it's nothing massive or anything like that I just... Well.

[He's muttering nonsense again.]