What you're describing is a recreational activity, that doesn't serve any practical purpose. Evolution rarely favors that.
No... it is more than recreational. It is a way to establish shared understanding (which could be a test of how similar you are, and intelligence).
If the only reason anything happened was inexorable evolutionary forces, we might all be crabs…
No... it is more than recreational. It is a way to establish shared understanding (which could be a test of how similar you are, and intelligence).
If the only reason anything happened was inexorable evolutionary forces, we might all be crabs…