he Cancer is the fourth stage in the evolution of mankind. The need for cancer is not individual survival but survival through the perpetuation of species. It is a sign of nurture and fertility. They are family oriented and very close to their personal relationships. Cancerians are doers and achieve anything they set their mind to. They react emotionally to circumstances. The practicality of a situation comes to their mind later. The sign is ruled by Moon. Cancerians can be outwardly gregarious and secretive about their personal matters.