Like what isn't?

[Alicelily]

Rachel: Okay. Okay . It's..since you've never done it before you can be Monica's maid of honor.

Phoebe: Oh, thank you so much! ( They hug.) Okay.

Rachel: I'm gonna marry someone good y'know.

Phoebe: Oh I know.

Rachel: Better than Chandler.(Phoebe exhales as if to say,"Like waht isn't?")

=> What does "Like waht isn't?" mean?

[Tdol]

= everything's better than Chandler