There's something to it. We're about 70% water, and the moon's gravitational force is enough to move the oceans for pete's sake, so thinking it doesn't affect you is utter nonsense. It's relatively accepted facts that not only are birthing rates their highest during a full moon, but also crime, violent or otherwise. The stars, however, have no logical affect on us due to their vast distance away from us. Plus anyone who sees this:



And decides it looks like this:



Needs their head sorting.