In Astrology, the Moon represents the archetypal Mother within, the emotional nature- one's stability and motility is determined by the sign and house, dignity and aspects to this important feature in any chart, among other influences. Only the Sun and Ascendant are as heavily weighted in the analysis and interpretation of the patterns revealed.
Of one thing you may always be sure- no matter what shifting sands you stand upon- there will always be change, and things are never as simple as they seem while looking at a shiny surface.
The Moon calls to something deep and primal within us, and every other living being on Earth.
Law Enforcement and Emergency Room personnel often recount how the Full Moon seems to bring out the crazies, and inspire wild and reckless acts. If it is powerful enough to pull the tides around the planet, how would it not affect our tiny measure of salt-water and sense?
Scientists have taken tanks of sea creatures and moved them to widely separated locations, to see if the tidal patterns would remain the same, and they found that though the original patterns persisted for a week or so- they suddenly stopped, and changed to a new pattern, that would correspond to the tide in their new location- even though their new location was far from any significant body of water. What was the determining factor? You guessed it: the Moon.
Interestingly, it seems that the more developed the visual sense in the animals observed (both aquatic and terrestrial) the more easily their perceptions can be interfered with by overcast weather.