Most things we do have a lot of habit to them. One can't get good at talking to people and figuring out how to be around them unless one "practices" doing that. Too, the older one gets the harder it is to learn stuff like social skills because we spent so much time in the habit of being by ourself. Not only is it harder to learn what other people our age may have been practicing longer, but there are more situations as an adult where we have to get along with people (school, work, trying to meet someone to marry or bosses and coworkers, store clerks and service workers, etc.).

You don't have to find anyone like you (you're the only you there is) but people who like something you like. It's easier to talk to people about something both know a little about, makes a basis to expand from when getting to know someone and how to get along. Presumably you'll get a job some day that will be something you can do and don't absolutely hate doing and there will be coworkers in the same boat; same with school now, say something to someone sitting near you in a class you don't hate.