She knows this isn't the way he does things. Knows he doesn't rely on people any more than he has to. He's so like John's Sherlock in that way.

She has a deep fear that this place is going to destroy him, just like it's destroying his counterpart. But she's going to fight like hell to keep that from happening, starting with keeping him from just walking out into the snow to die.

"The fuse boxes are probably in the basement," she answers. "The generators are probably outside somewhere. Considering all the snow, they might be on the roof. There was a loud noise outside before the power went down, so I'm thinking that means the reason for the blackout is that the power lines are down."