[It's a good question, really, one which he's almost afraid to know the answer to. It there were less uncertainty involved, maybe he'd be more ok with this...]

I'm... amazed at how thorough they are, not to mention fast. They never really give us much warning... Do you want to come in?

[No, that doesn't answer the question very well, does it? And huh, maybe he should turn on the light... he steps inside to do that now.]