When you’re eating dinner and your partner reaches across the table to take a few forkfuls of your dessert without your consent, you might get a little pissed off. You can probably even remember a few times when taking food in this manner started an all-out fight between you two or other friends. As it turns out, your animalistic rage isn’t entirely your fault. According to animal behavior researcher Jennifer Verdolin, PhD, we need to consider how things work in the animal kingdom. Food is a resource, and “the better the resource, the less likely you are to want to share it,” she said. “Especially if it is hard to come by.” For example, that delicious dessert you rarely treat yourself to, it’s essentially a scarce resource that you want to keep for yourself. Now, if someone takes your food without permission, it also registers with us as a sign…