Who Gets the Cinematic Allusion Here?

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Susan had an exchange with Suzanna this morning that served as one more reminder that our children share their father's sense of humor:

Suzanna (to Mom): I like it when you help me put my socks on. It shows what a nice mom you are.

Susan (helping Suzanna due to a cut on Suzanna's heel): It surely does.

Suzanna: Yes, it does. And don't call me "Shirley."