How to find meaning after college?

Hi, I'm 25 years old, I graduated a year ago, and I've been working through internships and part-time jobs for a year.

Since graduating, my mood has completely changed, I feel sad, lonely, I see my friends less, I'm not in a relationship, I'm always tired after work, I don't clean my room, and I don't take care of myself or make myself look good like I used to.

I live with two roommates with whom I have no relationship. I always feel like going back to my parents' house on the weekends because everything feels overwhelming and I can't find any meaning in my life right now.

I don't like my life the way it has become, but what can I do? I can't stop working, I can't remain a teenager forever.

I envy my friends who are still studying, and seeing them free makes my relationship with them even worse.

I don't understand what life I'm supposed to be living now