For lots and lots and lots of reasons. Here is one.
He decided a while ago he wanted to take up woodworking. We had both decided long ago we hated the Target bookshelf we have. His first project? A bookshelf, made from real wood, not the cardboard-and-formica of our current one. And such a nice color! And real wood! and made by my husband!
Did I mention he's amazing? More on that later.