[ ...okay so. She doesn't think Thor is talking of 'yelling matches' in terms of fights, so maybe she should think about them less in terms of her and Sokka and more in terms of Zuko and Azula? Except she'd seen Loki care for Thor, and vice versa so.... Zuko and Azula on better terms? ]

That sounds... really frustrating and hurtful. I'm sorry. [ She bit her lip for a second, swallowing back her instinctive impulse to offer advice. ] I don't know what happened between you two, so I can't offer advice, not really. [ And he's skimmed through enough that she gets the feeling he doesn't want to go into that. ] And you don't have to tell me, but you can if you want to. But knowing just what I know right now - maybe I can offer a suggestion?