I googled "lips don't close at rest," which brought up all sorts of information. At first I thought, "no way am I having my jaw broken so I can close my lips." But after some more reading I discovered that a ton of my problems were related (recessive lower jaw, huge gummy smile, jaw pain, trouble keeping mouth closed at rest, sleep problems, teeth coming together in an unsatisfactory way with excessive wear on the molars, muscle fatigue from trying to hold my face in a normal position around others - even by myself, really). I knew I had an overbite since my teenage years, but it was very eye-opening to discover that this one problem leads to so many difficulties. I'm so happy it can be fixed!