For as long as I can remember, my lower lip has always seemed a bit thicker than my top lip. It's a subtle difference but something I noted in my side profile. And while I often noted how my misbehaving incisor poking out from between closed lips contributed to my lopsided "no teeth" smile, I didn't realize how much my overbite contributed to my formerly protruding lower lip. Funny how oblivious I was despite all of the pictures I've been taking of my teeth in the past year. ...