smarty pants

Adding to his many pursuits, he has now taken to inventions. When I asked him tonight what he thinks about before he goes to sleep, he said, "Well, lately, inventions." I told him I'd get him a sketchbook for his inventions tomorrow and asked whether he'd like lined, plain or grid paper. His reply: "What looks most genius-like?" And I have to part with him this summer for two weeks??? Daggers in my side.