The answer is B. This is shown when they are walking down the street together for the first time and she tells him her "trivia." She states things that don't make sense to him and then afterwards asks him if he's happy, I for one, would say that's straightforward. Lastly, when Guy walks into his house he's clearly trying to cover up the fact that he is unhappy, and then it finally hits him when he goes into his and his wife's bedroom. "He opened the bedroom door. It was like coming into the cold marbled room of a mausoleum after the moon has set. Complete darkness, not a hint of the silver world outside, the windows tightly shut, the chamber a tomb-world where no sound from the great city could penetrate. The room was not empty."
