“Wait,” I shout. “Wait.” He slows until I’m alongside. We both ride in silence. “Go ahead,” he says gently. “Ask.” I look at him, the galaxy unfurling in front of us. Stars everywhere. “What’s the point,” I say. “Of everything. What’s the point?” He smiles. Neutrinos pop around us, fizzle. “You are,” he says finally. “You are the point.”