[Her reaction increases her blush. He has very rarely spoken these things aloud - but now that he remembers everything again, why not to an impartial new friend? He still spoke slowly and carefully]

Yeah. It wasn't really... back then, we kissed mostly because we were lost and thought it would solve the riddle of the cave. Sokka and everyone else don't really know about it. [He put some emphasis on Sokka's name.] We've had a kind of a confusing relationship. And Luceti hasn't really helped either.