He studies her face, trying to see if that's a joke. Trying to determine if there is a tiny, prickly sense of humor under that slightly-less-tiny, prickly exterior. Given how much Poe himself has been hanging around Cassian since his cousin--since his friend--pulled him off the street, and given the kind of humor Cassian seems to employ... it's probably a joke.

His lips twitch into a smile. Not one of his cavalier, it's all fine and so am I smiles, just a tiny expression of amusement.

"Yeah, well. I've been told my judgement's not great either."