The Moon

Moon in Occult represents minds, mother, water on earth, liquids in our body, pearls, milk, dairy business, cattle, rice, silver, speculative ideas, etc.
Waxing Moon is considered a benefic and waning Moon a Weak. Waxing Moon means moving towards a full moon. Waning Moon means past full and moving toward a new moon.
Within you, the blood and the Pran the fundamental life energies, flow in a different way because the vibrations have changed. Similarly the phenomena of High tides in oceans because the gravitational pull of the moon is working on the water maximum on full moon day, your blood is also being pulled, and the circulation of blood increases in your brain.
When this upward movement happens, whatever is your quality, get enhanced. You may have heard that people who are mentally unstable, will become more imbalanced on those days because the upsurge in energy enhances whatever is your quality. If you are a little imbalanced, it will make you more imbalanced. It is also doing the same to the other qualities in you i.e. if you are meditative, it makes you more meditative. If you are in love, it makes you a more passionate lover. Whatever is your quality, it enhances that.

The Sun is the Soul/source of energy. The Sun is the generator of power whereas Moon is the conductor of power reflected by the Sun. The brighter the Moon (waxing moon), the more of Soul is reflected back. Sun represents individuality whereas Moon shows one’s personality.
A person with a waxing moon has more opportunities in life to explore and expand their resources, on the other hand a waning moon is more about the dispersion or spreading of knowledge/resources to others.
In order to strengthen your Moon keep a good relationship with your mother and do meditation and Pranayam on a regular basis. It keeps the mind and body fresh.