Boy 2:"No it's the contraceptive sponge"
Boy 1: "No it says it right here" "Di-a-frag-gum 80% effective"
Boy2: "Contraceptive sponge is the same"
Short pause----
Boy 2: "Mrs Whipple, is it true that you can boil a condom for ten minutes and then reuse it"
Ha
Ha
Ha