I worry about things for days even months after they're over with.

I don't not even when they are happening

I do to but it drives me crazy, I hate it

I do the same, and I hate it. I even dwell on things from like 15 years ago!

normal i do too and thats mean ur smart

Normal!! I do it too, we are just dwellers, but it can be unhealthy If you constantly agonize over it. Look at them more as life lessons!