As we walked in the partial shadow of the buildings, I strode, one foot in front of the other with my arms out, balancing on the wall while he walked on the flat ground beside me. “Hey, careful” he laughed, extending his fingertips to steady me by my hands. I jokingly retorted, turning my head toward him. “Oh, shut up! I’m perfectly capable of walking on a little wall like this.” I slowed our pace, not looking away from h...