Is beauty really THAT relative?

I work with this woman. While she's by no means an unattractive specimen of a fifty something caucasian female, she's not going to turn heads (big or small).

So riddle me this, Batman, why does she have a gigantic photograph of herself adorning her very spatially-challenged cubicle? Is it possible that someone could love themselves that much? I understand movies stars exhibiting this kind of narcissism but that at least you can understand: they're flippin' gorgeous.

And why can't I be that blind to my own facial faults? When I buy a new frame, I leave in the picture of the dude it came with.