on "the keys" when george gets his bag searched at the airport, he and the airport man have a bit of banter: AM "whats this?" GC "moisturiser" AM "wife?" GC "no, i uh, use it"
then we go on to jerry , but when we come back to george and the airport man,m they seem to have shared a joke, or is the line "i use it" referring to what i think it might be (remember george is notoriously single).....