Two old men were sat on a bench outside a nursing home having a chat. “How areyou, Richard?

” asked George. “I’m not feeling too good today, I’m utterlyexhausted,” replied Richard. “I’ve pulled a muscle, and it’s killing me.” “I’msurprised that a pulled muscle makes you feel so tired,” said George. Richardyawned and said, “Well, it does if you pull it a hundred times in one night.”