My mom's coming home soon," I said. "We should go to your place." Patch ran a hand across the shadow of stubble along his jaw. "I have rules about who I take there." I was getting really tired of that answer. "If you showed me, you'd have to kill me?" I guessed, fighting the urge to feel irritated. "Once I'm inside, I can never leave?" Patch studied me a moment. Then he reached into his pocket, twisted a key off his key chain, and slipped it into the front pocket of my pajama top. "Once you've gone inside, you have to keep coming back.