Your girlfriend is concerned about how much weight she's gained and is ready to hit the gym! Being the encouraging partner you are you tell her that you recently read that skim milk before a workout is good for losing weight. You give her a glass of "skim", but she's onto you that it's actually a fattening glass of whole milk but chugs it down anyway. The milk makes her burp and get full and horny! Soon she's not ready to exercise but has her big belly on her lap even as she laments how fat she's gotten. Your sneaky plans to get your girlfriend addicted to gaining might just be working...