Idk man. Life

Idk how to really start. I’ve never been someone to open up, even talk about myself. It has always seemed like a bother to friends, family, loved ones, whatever. I’m a 29m, I work a full time job and like everyone else probably living paycheck to paycheck. The dating scene for my age is terrible. Finding someone who genuinely cares for one another is so rare now. I’m never going to give up, but man does it ever get better? All my friends, family, all have relationships, kids, seem so happy all the time. I know life isn’t so black & white but it’s getting harder to even TRY, being happy. I guess where I’m getting at is there any suggestions that people have to clear that head or distress? I’ve tried going to the gym, fishing, idk man. Seems like it’s just a never ending battle in my head. I don’t even get joy out of seeing anyone anymore, I’m just here. Filling a void it seems