You aren’t doing anything wrong - it’s simply a genre that you do not enjoy. Please don’t think negatively about yourself for it. If you wish to try again, I would try to find another connection. If you like sports, get a biography about an athlete and try to think of it as a sports book instead of memoir. It may be your internal labeling. Or try a pair. I have had fun reading books by different people on the same event. You also don’t HAVE to try again. If you need to force yourself to read something it feels like school/work. Choose something you enjoy instead.