Amy: You know, this is such a slap in the face. I mean, I'm your sister and you would give your baby to these strangers over me.
Rachel: Monica is Ross's sister.
Amy: No, Ross' sister was really fat.
Monica: That was me.
Amy: No, she was this really dorky girl in school who used to follow Rachel around like a puppy-
Rachel: Amy, you have got to stop doing that.