On a recent holiday with the family to Palm Springs, my life changed. I’m married, two kids, in my fifties, and living in the UK. My name is Mark. We had booked two rooms at the hotel, one for my wife and I, and the other for our two teen girls. After a day that included a trip on the Pam Springs tram and an afternoon visit to the local Zoo, we were all tired. After dinner, we headed back to the hotel with the unspoken ag...