"On the way out to the car, Philip turns to me. “How could you be so stupid? I shrug, stung in spite of myself. “I thought I grew out of it.” Philip pulls out his key fob and presses the remote to unlock his Mercedes. I slide into the passenger side, brushing coffee cups off the seat and onto the floor mat, where crumpled printouts from MapQuest soak up any spilled liquid. “I hope you mean sleepwalking,” Philip says, “since you obviously didn’t grow out of stupid."