"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."