"Excuse me sir", I said, "I couldn't help but notice that you appear to be a tramp, yet every Friday and Saturday you come to this shop and spend £5 on a pair of smart black shoes. I have to confess that it's got me completely baffled and I just wanted to ask you why?"
"Well there's a perfectly simple explanation", he answered, "You see, on the weekends I sit in a doorway by a nightclub that has a very strict dress code".
"That doesn't explain it", I replied, "I mean, you don't need smart shoes just to sit outside".
"I can see what you mean", he said with a chuckle,
Spoiler:
