A Sunday smiler.....?

A cannibal met his fellow cannibal while out on a Sunday morning walk. "Hello" He said. "I have not seen you for a while. Where have you been?" The second cannibal replied "I have been on holiday - I had a great time. The first cannibal replied "That's good - I am pleased for you. But I notice that your left arm is missing" "Yes" he replied - "I went self-catering"......................