Harry was laying on the couch while Teddy was laying on his chest and playing with the buttons on his shirt. His hand was on the little boy's back, and his other hand held his wand. Harry absentmindedly drew some smoke shapes in the air. He felt a little foolish as most were hearts and arrows.
Harry heard someone outside of his door, and it wasn't a boy heading further upstairs. With a curious frown, Harry called out, "Who's there?"