Fortunately there is just such a puddle at hand. You submerge your incandescent posterior in the freezing water for a moment until it is suitably soothed. But the puddle proves to be a little deeper than you thought and you find yourself immersed up to your waist. In fact it's not so much a puddle as a lake. Not so much a lake, in fact, as a vast, rolling, blue ocean stretching as far as the eye can see...