Dentists

I live across the road from my dentist, so I can see his comings and goings from my bed. He seems to work about 28 hours a week and yet he owns both a BMW jeep and a cabriolet BMW that he uses on sunny days. He has both cars fully valeted on a weekly basis sitting outside my door. I am often tempted to park mine beside his in the hope they get mixed up one week! ;-)