My sister and I are EXACTLY this. [Sorry about that bad picture quality, I got it off Hulu.]
Penny: Playing “Celebrity” with sisters suuuucks.
Jane: Well, why Al and I may differ on a few bajillion things, we’ve always had the sister connection. I mean, even as kids we would finish each other’s…
Jane: …was gonna say sentences, but that works too, because I was not much of a crust girl.