I need a little help from someone that may have knowledge about this?

Here's some information about me. I just turned 20 and I haven't moved out. I barely have any friends to talk to or hang out with. I have really bad trust issues and am just a relatively negative person but on the outside, I am usually positive and happy. I make sure not to bring others down and in fact bring them up. I have a speech impediment that has gotten worse than ever before. Lastly, I have no hobbies other than cooking/baking, football and basketball and somewhat enjoy historical stuff. My question is, how do you suggest I get a better understanding of who I am and what I enjoy? Like I am planning changing jobs possibly and my parents ask me a lot what I am interested in and I say "I don't know".

I need a little help from someone that may have knowledge about this?
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