The left hand prides itself on being more refined than the right hand. Yes, it is in fact a little slimmer, the knuckles are not as knobbly, and the skin is even a little smoother. But, says the right hand calmly, think of all the work I’ve done that you haven’t, over the years. Well, says the left, I’ve been there alongside you all the way, helping. But think of all the things you can’t do that I can, says the right. Think of all the skills I’ve developed.