Feeling vulnerable, she raises her voice. “Look, I’ve been in meetings all day. Do you remember the shopping list I gave you last week? You forgot to buy the toilet paper and the right type of cheese. How was I supposed to make eggplant Parmesan with cheddar cheese? Why don’t you go and get dinner?” Everything devolves from there. The couple gets into an even deeper argument, and they go to bed in a bad mood. Later her touchiness develops into a more general pattern of behavior (“Well, I wouldn’t have missed the turn if you’d given me more than five seconds to switch lanes!”), and the cycle continues.