"No, it's -- that's good. That's a start," he tells him.

He's not a mind reader, but he can read the cues in Foggy's breathing patterns, in everything else, and more than that, he knows his best friend. Either way, it narrows things down -- as does the fact that it has to be in the Kitchen, so he won't end up having to search all of 10th. It also makes him itch to put the suit back on and go check it out, and he can't help but not-quite-glance in that direction, the fact that he's still supposed to be resting be damned.