Run For Your Life

I was running to the shops today (my way of incorporating some keep fit into my schedule) when I realised that a retired lady on the pavement was trying to get my attention.

So I stopped in case she wanted directions or something, but she just said "I wish I could run as fast as you."

I floundered "Ah, well, that's very kind of you to say so," before running on, when of course I realised what a much more exact reply would have been.

"I'm running while I still can…"