What’s the use?

I try to write. I know I'm capable of it. I've written some decent things in the past. I've even written some things I'm proud of. But every time I sit down to write something I get distracted. I'm too hyped up to concentrate. Certain thoughts enter my brain and I lose my train of thought. Lately I can't even play chess. I used to play chess to just relax and stimulate my mind but lately it's like I don't even know how to play. It's not like I'm on drugs or anything. I don't know. It's almost like I'm ....