He is worried for what's at his window, but he's not sure what it could be. Raphael and Gabriel sending him some kind of weird creature to fight? That seems stupid, but he's still on guard as he sits up and watches proceedings at the window while he mentally recalls everywhere he has a weapon handy.

Oh, but it's Kenzi. He relaxes somewhat -- only somewhat; Kenzi is Gabriel's friend -- and he comes over to the window to stand in front of it and watch her dangle there as he puts his hands on his hips.

"What's the secret password?" he calls through the glass.