"Then, come inside," he says sharply. It's half an order because she doesn't belong in a place with such icy cold, but also because she's been kind to him in the past and he doesn't want her to freeze because of him. "We've a fireplace in the manour or whatever you'll call the place we're staying." The changes have been rather mad and instant. Erik still isn't sure what to make of them or whether to think they're permanent.