Those second and third helpings finally wore you down, and you’re full after a satisfying meal. You’re pretty much bursting at the seams and contemplating whether or not getting up out of your chair, or literally moving at all, is even worth doing when… someone brings up the diet-wrecking D-word. You guessed it: dessert. Magically, you’re not feeling so full anymore. Before you know it, your stomach and mouth are both saying “yes!” to a sweet serving of cake. It’s easy to dismiss this as some unexplainable phenomenon, but there’s actually a purely scientific reason behind why we seem to have an extra stomach reserved just for dessert.