The best moments are when you've been struggling with an implementation for a few days, and then things start to work. I had this happen last week. I have a Windows desktop app processing product dimensional data from multiple warehouses, then sending that data across the country and transposing into a data lake, joining several databases, and sending detailed reports. It was a struggle from start to finish, with lots of permissions issues, use cases to consider, and data accuracy. Finally, I break through and when I step back, I get to see this well-oiled machine of conjoined ideas run through to its eloquent, seemingly fleeting, conclusion. That feeling you get that makes you throw your hands in the air for a job well done! It's very exciting.