*knock knock* whos there? sir theres been an accident. theres been an accident who?

"Knock knock." "Who's there?" "Doorbell repairman."

Knock knock?? Who's there?? Jehovah Witness. Knock knock?? Knock knock?? Hello?? Knock knock??

-Knock Knock! -Who is it? -The love of your life. - :) Really? -Hahahaha no, it's the pizza you ordered.