"Why does anyone stay in an unhappy relationship? Because people do. They do it all the time. And the truth is, when you’re in it, when you’re up to your neck in the everyday part of life with another human being, sometimes you don’t exactly notice how bad things really are. It’s not always as apparent as it would seem. Unhappiness, when it involves another person, can be like that line from The Sun Also Rises about going bankrupt, how it happens two ways: gradually, and then suddenly."

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