Ennui at 17

N: Well, honey, I think I'm going to head home.

C: You had a long day, huh?

N: Yep. And my feet hurt.

C: Those shoes are great.

N: Thank you, but they are pretty much killing me.

C: *fiddling with her cell phone* Beauty is pain, girl.

N: What?

C: Beauty is pain. *big sigh* You know it is.

What does it mean?

Fortune acquired tonight at dinner with Cora. I can't seem to figure it out.


In case you can't make it out:

It's nice to be remembered, but it's far cheaper to be forgotten.

Any ideas?