that he’s “tap dancing to work every day” and that “it doesn’t get better than that.”

[sitifan]

Buffett recently told the Huffington Post that he’s “tap dancing to work every day” and that “it doesn’t get better than that.”
https://www.detroitnews.com/story/b...arren-buffetts-reasons-never-retire/78945562/
What does "it" refer to in the above sentence?

 

[Tarheel]

it - the situation
It doesn't get better than that - It couldn't get any better.

He's happy with the way things are going.. (There is a small chance that he really is tap dancing to work - about one in a million.)