I have this weird thing where I sort my Goodreads books on shelves labeled for particular times in my life so I can keep track of when I got a physical copy of the book (and delete that tag if I get rid of a book I no longer love). That way, regardless of when I joined the site or when I last reread an old favorite, I can click a button and see the books that influenced me in middle school, high school, college, my first job, grad school, etc., and reconnect with who I was at that point in my life.
Which makes it really annoying when I dig out old books to reread them and can’t quite remember when I got them. I’d swear these two anthologies were prized possessions in high school, but the first one has a story by Neil Gaiman, and I believe with just as much certainty that I didn’t start reading Gaiman until college. It’s a tiny detail, but it’s going to bother me like a mosquito in my ear, mostly because it means that the memories of childhood that always seemed so vivid have finally started to blur.