How Long Have We Been Watching Each Other?

As long as there's been creatures with nervous systems, we've been watching each other. And some of that knowledge is built right into our bodies,. which is why we can dance with each other, for example. We're watching each other act in the world. That's what is it we're up to. What should we be up to? Even a more fundamental question. If you're going to live in the world andyou're going to do it properly, what does properly mean, and how is it that you might go about that?