Darcy and Lisa in “Unfinished Business”

Darcy

You looked sad. I wanted to make you feel better.

But why would you want to make me feel better?

Darcy

Because that's what friends do for each other.

[realizes] Because that's what friends do for each other. Would you excuse me for just one moment? [into her recorder] Research epiphany: I have discovered the point of having friends. Not to check off an academic requirement, or to impress a bunch of aliens, but because friends make your life better. Thank you, Darcy. [Gives Darcy half of the cookie] Care to join me?