[shakes her head slightly] No, probably not. So Robert did stay? But I don't understand. Why would either of them have to spend their lives in the house? ... Unless--

[She cuts off, then continues softly. Her face fills with compassion as she puts the ideas together.]
The world was dying. Perhaps no one could come to the house anymore. And you said you were there a very long time.
Oh, Ms Sara. You must have been desperately lonely.