Perhaps it was a bad decision. Perhaps not. Worrying about the past will only cloud your future.
You simply couldn't have imagined that something like this would ever happen. Then again, it comes with a few benefits, that's for sure. Enjoy your good fortune. Take the good and discard the bad. It's that kind of day. You won't get extra, but you won't go without, either.
Colleagues have hobbies and interests outside of their work. Getting to know them and their interests a little can help to build positive working relationships.