He can be impulsive. She has a touch of bossiness. Next-door neighbors for nearly a year, they talk, watch television and explore the world together, wandering into each other's homes without a second thought. She likes his mother's eggplant dish. He likes her father's rice and lamb. Friendship often starts with proximity, but Orel and Marya, both 8, have been thrust together in a way few elsewhere have. Their playground is a hospital corridor. He is an Israeli Jew severely wounded by a Hamas rocket. She is a Palestinian Muslim from Gaza paralyzed by an Israeli missile. Someone forgot to tell them that they are enemies.