What's it like to be nimble?

As someone who still needs to trudge through the API and tutorials to do what I need to do, every piece of code that works perfectly is a victory. And every time I feel lighter and less bogged down. It's a big part of what drives me; to feel that "level up" feeling. So I've got to ask, what does it feel like after that?

I'd like to think that I would work at a whim and do whatever strikes me, knowing that it would come easy and success would be my only obstacle. And I want to believe that this...

What's it like to be nimble?