You know what? I love figuring things out. Why? Is it the sense of accomplishment? Probably. And, if the sense of accomplishment is what I really love, then what does that mean? Does it mean that I somehow need to feel like I'm getting stuff done? Or does it mean that I need affirmation that I'm worthwhile? Thinking on it, I bet it's the former, because I get a similar feeling of happiness, even when I clean the bathroom or something equally mundane.
So, is that it? Have I hit a wall at "human instinct"?