I think I'm semi-retired at this point. It's taken over a year to get to the "What will make me happy?" stage. Initially I kept thinking that I needed to spend my downtime learning new technologies that would be marketable. Now I'm starting to let go of that idea and it's feeling better, though I'm still a bit afraid that maybe I'll fall through the cracks and not be employable again - but that's probably fine at this point in my life. There are a lot of ways you have to change your thinking as you transition to a retired or just less-work-focused state. Our culture causes us to invest a lot of our identity in work and I'm finding that it's taking a while to shift my thinking.