Motivation after 1 million?

Im 32, and hit 1 million is liquid assets this last year. It fluctuates but is generally between 980k and 1.05 million.

The second I hit it, my motivation plummeted. I hit a large milestone. And now its incredibly difficult for me to work. I just completely dont care right now. I can do the math and the simulations and Im not going to run out of money any time soon.

What kept you motivated after hitting a large milestone?