Let's say you're a caveman or cavewoman. It's a very good day — you are an expert spear-thrower, and you throw your spear and your aim is true and you hit a wildebeest. You have a moment of joy and you jump up and down and you make cavenoises that say, "
KEY #8: How your head keeps from exploding
KEY #8: How your head keeps from exploding
KEY #8: How your head keeps from exploding
Let's say you're a caveman or cavewoman. It's a very good day — you are an expert spear-thrower, and you throw your spear and your aim is true and you hit a wildebeest. You have a moment of joy and you jump up and down and you make cavenoises that say, "