― Picture a deliciously good-looking man making eyes at you across the bar. He finally picks up on your lash-batting cues and comes over to deliver his best pickup line, only to head for the hills after seeing your post-it note-colored teeth as you smile back at him. ∙ We can all agree there isn't a turn-off more instantaneous than yellow teeth. After all, who wants to make out with a mouth that resembles an ear of corn? So not sexy. But it's not like you can whiten your teeth while you're [...].