A nun hails a taxi cab... ...as she settles into her seat she notices the taxi driver sneaking peaks at her through the rear-view mirror. She says, ""my son, can I help you with something?"" He says, ""sister, I have to admit, I've had this fantasy of...kissing a nun"". She replies, ""Oh, my son, I can help you with that as long as you are a good Catholic and not married"". He says, ""I go to mass every chance I get and I have not met 'the one' yet"". So they pull over and escape to a dark alley and the nun smacks a big wet kiss right on the cabbie's lips. They hop back in the cab and start driving a bit more before the nun again looks in the mirror to see the cabbie sobbing profusely. She says, ""my son, why are you crying? I gave you what you most desired!"" He replies, ""Sister, I feel too guilty, I'm not a Catholic and I am married!"" She says, ""Well I don't mind, my name is Dave and I'm on the way to a Halloween party!""