I heard him calling out to me. I thought it was a nightmare, but when I woke up I couldn't breathe. I was drowning with him. Our minds linked. I could feel what he felt. I was looking through his eyes. [...] We built a bridge of shared sensations. Tens of kilometers away from the village, crossing impossibly dense terrain. Any slip on our part would draw their attention. So we counted primes together. A barricade of numbers to shield our thoughts.