Why do people like me?

I (16M) am not the most interesting person, and I have been told by many that I’m very quiet. I’m also not very emotional or attractive. However, quite a lot of people like me a lot. My old school friends still like me a lot, and people I used to work with (who were quite a bit older than me) liked me. I know this a bit of an odd question, but I genuinely don’t get why people like me.