Anya doesn't want to be like Dawn. But if Xander died she'd, with
cheeks a little thinner and dark circles under her eyes, keep going,
and that makes her just like Dawn.
Anya doesn't want to be like Buffy. Lived so long, seen so much, heard
so many songs, she doesn't want to be blind and deaf now. Watching
Xander asleep in the mild summer sunshine, Anya knows suddenly that
she would die for him, which makes her just like Buffy.
Anya doesn't want to be like Dawn or Buffy, but in everything
important she's their twin. And she's glad.