I literally cannot stop chewing on the inside of my mouth. I even chew it so badly that it bleeds and then even after that I consistently bite it even though it is a sharp pain. I've heard that this can cause mouth cancer, but i don't know if that is true. anyway, to try to stop chewing on my mouth skin, i constantly have to have gum in my mouth.
basically, i constantly have to be chewing something, which is usually creating HUGE canker sores on the inside of my mouth.
is this just a habit or what?