If you are asking how moon sign affects emotions, start with this: your conscious personality is not the whole machine. Your values, goals, and deliberate choices are the applications you run in the world. Beneath them is an operating system deciding which inputs trigger alarms, which environments register as safe, which kinds of connection nourish you, and which kinds of loss feel unbearable. That operating system is your Moon sign.
An operating system does not disappear because you dislike it. A Cancer Moon does not stop seeking deep emotional safety by trying to be less sensitive. An Aquarius Moon does not stop needing autonomous space by trying to be more emotional. Moon sign emotions are not weaknesses to override. They are structures, and structure is not something willpower can erase.
But structure can be understood. When you know your Moon sign, you begin to see why certain situations hit harder than they seem to hit other people, why some relationships drain you while others restore you, and why certain reactions feel unlike you even while they are coming from the deepest part of you. The map does not make the feeling smaller. It makes the feeling legible.