Dear Ageless Traveler, I have a question for you. What do you think when you see a woman at a music venue, concert, or cabaret dancing by herself? Does your answer change if it’s a man? The way you answer is a clue as to how much freedom you allow yourself in traveling alone. When I see folks dancing alone, I see people with self-confidence, ready to have fun. But it wasn’t always like that for me. I was a fat kid (are we allowed to use that word anymore?) and mercilessly body shamed. I spent...