“Sure, go ahead. Just remember to fill the tank when you’re done.”
Famous last words as you toss your keys to your cousin Mitch, who needed to borrow a ride because his steel blue pickup lay splayed open in the shop to diagnose transmission troubles. When Mitch returned your newly leased Camry a day later, he had filled it with more than just a fresh tank of gas.
You forgot that Mitch was a smoker.