I used to do this all the time years ago. I would daydream or overthinking things. I still do sometimes, but a lot less now and I figured it out by making music. Felt like my mind was at war with itself sometimes, but now I been making a lot of music, working with some hometown artists, and I'm about to release a EP on my birthday.I joke about it all the time but I absolutely hate that I have to overthink everything. It’s so annoying. That’s probably one of the things I hate most about myself.
It’s like...everything is cool and one small thing, one action, one statement, one move, one thought (no matter how vague) will make me second guess everything.
I don’t know how to make it stop.
That’s why I tell the people close to me to keep it 100% with me. Say exactly what it is because if they don’t...my mind is going to conjure up something way worse.
Maybe a hobby can help you with overthinking. I'm not too sure on what exactly causes the issue, but maybe doing something to occupy your mind might help a bit?