He's not exactly embarrassed that Derek brings up his crush on Lydia - it's not as though it was ever a secret - but the question still catches him off guard. He's not even sure he knows the answer, shit.

"I guess it's sort of died out a bit. Cut the flame off from its air supply, you know." He laughs, looking up at the ceiling and thinking of Darrow's proverbial (shit, probably even literal) domed sky. "We've been stuck here for a while. I'm just happy she's okay."