The Twin Peak Of Conversational Awkwardness

(I am at the store with my mom and sister. A lady next to us is buying clothes and sees a picture of twins hanging up.)

Lady: “Oh, what beautiful twins.”

Cashier: “Thank you.” *smiles politely*

Lady: “They look like my grandkids.”

Cashier: “‘Rea—

Lady: *cutting her off* “…before they died.”

Cashier: “…”

Lady: “They were 15 minutes old before they went… Well, have a nice day.”

(She left as if everything were normal.)