‘What the fuck, Khaled?’ I snapped, but he put his finger to his lips, silencing me. ‘Please, Lin, be quiet! We won’t get a minute’s peace, if you wake them up.’ ‘Okay, bye, Khaled,’ I said, leaving. ‘What are you doing?’ Khaled asked, a puzzle stamped on his forehead. ‘Well, I’m gonna keep on walking until I’m not here. That’s what goodbye means.’