Once, when we were living in our apartment, I locked my car keys inside my car while I was getting the mail at the leasing office. I still had my apartment key and cell phone, so I walked to the apartment and called David. I told him when he got home I’d use his key to unlock my car door and move my car to its proper parking spot. Awhile later, David came home, and handed me my car keys. He had moved my car for me. [...]