In Vedic practice the Moon does much of the work people expect from the Sun.
The Moon describes mind, memory and emotional baseline — how quickly you settle, what unsettles you, what comfort actually looks like for you rather than in general. Most of the Vedic timing system is calculated from the Moon rather than the Sun, which tells you how much weight the tradition puts on it.
People often recognise their Moon sign faster than any other placement. It is the part of the chart that shows up when you are tired, unobserved, or under pressure with nobody to perform for.
This is also where the language of self-improvement tends to go wrong. A Moon that needs solitude to recover is not antisocial, and one that needs company is not needy. Both are simply the conditions under which the system reboots.
Knowing yours changes small, daily decisions more than large ones: how you structure a week, what kind of rest actually restores you, which environments you should stop trying to enjoy.