Paris, France - What should I do in three days?

Hi again! Back in April, Mike gave me a planned holiday to Paris as my birthday present. At the beginning of August, we finally went on this long-awaited vacation. The trip lasted about three and a half days. It was busy, but by the end I felt like I had seen everything I wanted to see and eaten everything I wanted to eat. Since this seems like a popular trip from the states, I figured I would briefly write down everything as I would recommend it all for first-timers. I will