You're not?!

[Her eyes go wide for a moment -- okay, it's not like she's had a lot of time to know them as a couple, but it isn't like she and Suki didn't talk at all while they were both in prison... she knows how much Sokka means to Suki.]

Is that why his aura's all messed up like that? [And given how Suki looks about it...] Well, serves him right if he did something awful like dump you!