[His reaction disgusts her and forces her to slap him across the face - she has to defend her mother's honor, after all]
Don't be disgusting. I'm the Doctor's wife. You and Amy are my parents. I know it's hard to believe, but I'm living proof of evolution. You know the Doctor and Amy would never do such a thing.
*pets*
Don't be disgusting. I'm the Doctor's wife. You and Amy are my parents. I know it's hard to believe, but I'm living proof of evolution. You know the Doctor and Amy would never do such a thing.