My wife and I have been married now for about 16 years. Kids have arrived, we are both getting a bit older now, and her work as a freelance tutor tends to keep her busy in the evenings. Sex is not as frequent as it used to be, and certainly not as frequent as I would like. Or her, I hope. Don't get me wrong; when we do get going it's fucking fantastic, and we are still very much in love, but it can sometimes get to be wee...