I have the same sympton since I had 2 to 3 not paid contract. I'm feeling so shitty, I lost any hope. I feel my brain can't think little it was when I was young

I have the same sympton since I had 2 to 3 not paid contract. I'm feeling so shitty, I lost any hope. I feel my brain can't think little it was when I was young (i'm also 34). It's hard to lost all hope at this point of my life, I can't switch back