Most of us are familiar with emotional eating. And when we think of it, we think of people who eat because they are sad. But there is much more to it than that. Emotional eating can work on many levels, both mentally and physically. Some people turn to over-eating because the mere physical effects of it–like nausea, vomiting, and bloat–give them an excuse to get out of something they were afraid to do. Sometimes they are punishing themselves for something with the symptoms of overeating. Eating also triggers happy chemicals in our brains. And you probably know of a lot of times when you could desperately need some instant happy chemicals. Eating is also a task that requires time and attention, so it can be used to put something off, or distract ourselves from something we don’t want to think about. Emotional eating is quite complex, and for some people, it can be so severe that it interferes with their ability to lead a regular life, so it’s important to identify it. Here are 20 types of emotional eaters you probably didn’t know existed.