If practiced rationally, palm reading helps a person step on the right path in life. It provides relevant information about important aspects of life like health, career, marriage, and love, that is why it can be said that you have the key to destiny in your hands and it provides information about important areas of your life. Reveals. The color, shape, and lines present in one's palm are carefully observed to know the results. The length of fingers is also taken into consideration to get important information about the past, present, and future of a person. Spiral fingerprints are also seen at various places in the field of palmistry.