A new investigation into the connection between fatty food, your mood and what it does to your relationship is underway--to find out if you are what you eat, are you also what your significant other eats? A married pair of researchers is in the midst of a spicy new study to find out if an unhealthy diet can contribute to unhealthy relationships. We’ll take you inside this study to show you how it works, and introduce you to one couple who volunteered to take part in this “food fight.”