You cheated and you’re not proud of it—but that doesn’t stop you from doing it again and again and again. It’s just that you and your girlfriend have been together for so long, and this new woman is everything your girlfriend isn’t—skinny, blonde, bubbly. Fucking her is so exciting. You can’t stop! Well…a few weeks ago you couldn’t stop. Now you don’t have much of a choice. The new woman has started acting distant, always making up excuses not to see you. But that’s okay. Your girlfriend is suddenly demanding more of your attention anyway, and you like that too. She’s been so thoughtful, feeding you snacks throughout the day and bringing you lunch and surprising you with your favorite desserts. “I wonder what’s going on with her,” you think. A minute later she comes into your office with a sugary midmorning snack—for the second time in as many hours. What’s going on? You decide to ask her…