I had a brief opportunity to chat with some teenagers, and they asked me, "Do you want to be young again?" "Yes, no, um... I’m not sure." I kept changing my answer and, in the end, I couldn't give a definitive response. My initial "yes" came out without a second thought."Everyone wants to be young again, right? Isn’t it only natural to want that?" The second "no" was a contradiction to my first ..