I have just had one of my happiest afternoons of recent years, expanding pee-play repertoire with K (my wife). Following the mutual shower peeing of a few weeks ago, today we added something very different. With our daughter home we had to be a little cautious – she’s 23 but, hey. We did explain that we’d assumed she was going to be out in the afternoon (she’d said she was going for a long walk with a friend who subsequently cried off) and were going to be ‘shutting ourselves away for an ho