There comes a time when you look into the mirror and you realize that what you see is all that you will ever be. And then you accept it. Or you kill yourself. Or you stop looking in mirrors. ↗
Vanity is something that will only get in the way of doing your best work, and ultimately if you're truly vain you care more about your work than how you look in your work. I actually consider myself a pretty vain guy when it comes to that. ↗