My parents introduced me to my best friend when I was 19, hoping she would be a good mentor for me. Now, more than 10 years later, I consider her my best friend. Despite our 45-year difference — or ...

My best friend and I met in New York, and then we moved to Denver. Once we moved, our friendship changed, and he suddenly ghosted me. I tried to understand what I did wrong, but I'll never truly know.