[That look--he's starting to aggravate her again. She returns his look with a dark one of her own.]

You think you know friendship?!--You decided to run away and abandon everyone!

[Unspoken is that he was going to abandon her. After she trusted him, thought they'd always be friends, and that's how it was going to end? No...No, she wouldn't let it.]

...You're not leaving me. I'll fix your rune so you won't have to go anywhere.