Overthinking after a nice day

Do I have ADHD? Or is my mind, when I'm at home, just someone else's? It's impossible that there's always so much internal dialogue , anxiety, and anguish after a day that was completely peaceful ! I woke up at a good time, worked from home (I didn't even have to take a commute), was productive at work, left the house to take care of paperwork that usually takes time, but today was super quick. I had some quality alone time in a cute cafe eating delicious food. Then I met up with dear friends at a museum, chatted, and consumed art in a place I'd never been. I returned home at a good time, to a loving partner. And now I'm here with a weight on my chest , replaying tiny moments, things that I know no one else cared about. Worried about whether the micro-silences between one topic and another were awkward for my friends. Worried about whether the way I reacted to small frustrations regarding the gift I brought home hurt my partner's feelings. Worried abou...