When John and Marta found the boy on the porch, they were curious, naturally,as to why he was there - and they hadn't expected him to stay, not at first, but he did stay, day after day until it seemed as if he belonged, running smiling and laughing his silent laugh, tapping and patting on every surface as he made his music, and painting - with water, with paint, with mud - those swirly swirls and swings and trees.