Borrowing Our four children, always on the go, frequently communicate with each other by leaving notes around the house telling where they've gone, what they're doing, or whatever. Recently, we came across the following written exchange between Michael, 18, and Steve, his 12-year-old brother: ""Steve--borrowed your hairbrush. I'll return it when I get back. If you need one, mine is in Mom's car (which is why I had to borrow yours). --Mike"" Steve's response, written on the same note was: ""Mike-…