Depression is not necessarily "anger." Depression is a sadness that takes over your daily life at points where it's most inconvenient. Sometimes, it's the least a depressed person can do to not let that sadness turn into anger and explode on the nearest person. Sometimes, we never know if we want you to stay or go away. Most of the time, we don't know what we want. Sometimes, we're sorry if you don't understand, and it's okay if you can't deal with it anymore. Other times, we'd do anything to make you stay, anyway.