He has found himself more and more reliant on her at exactly the point that she has become less available to him.
David NichollsThere's something unnatural about a woman finding babies or, more specifically, conversation about babies, boring. They'll think she's bitter, jealous, lonely. But she's also bored of everybody telling her how lucky she is, what with all that sleep and all that freedom and spare time, the ability to go on dates or head off to Paris at a moments notice. It sounds like they're consoling her, and she resents this and feels patronized by it.
David NichollsTheir friendship was like a wilted bunch of flowers that she insisted on topping up with water. Why not let it die instead?
David Nicholls