Skin

Beauty is only skin deep.

-Saying

Skin is not very deep.
Is beauty to you only as deep as the skin?

-Stonepeace

Imagine being happy, being with the most physically beautiful person in the world, someone you lust after. Now imagine the skin on his/her nose suddenly disappears. Will you still love him/her?

If yes, why? Probably because part of your fantasy, he/she is also the most wonderful person in the world- beyond looks- probably the kindest and wisest person you know.
If no, why? Probably because character was never part of your fantasy. You might be an incredibly superficial person?