Cancer is ruled by Moon and Jupiter shares a friendly relationship with it. Moreover, Jupiter is exalted in Cancer. This is a balanced position since the wisdom endowed by Jupiter stabilizes the flow of emotions and mind (represented by Moon). When Jupiter is placed in Cancer, the native is usually very good-looking. Such a person has exceptional intellectual capabilities, is highly learned and scholarly too. These natives become great mathematicians. The cosmic world, including our bodies are made of Panchbhuta, the five elements and there can be as much as 70% of water in our bodily material. Since Jupiter concerns itself with expansion, and Cancer is a water sign ruled by Moon, a watery planet, this position leads to a fatty and healthy body. Jupiter in Cancer also gives water retention.
Jupiter in Cancer also makes the person good-natured, generous, charitable, truthful, and loyal. These natives have a sound understanding of the moral principles and abide by guidelines. They become wonderful friends, and get emotionally attached to their friends too. They do however indulge in gossip sometimes. This position of Jupiter also affords the native with a lot of wealth. They tend to accumulate a lot of money because of their saving habits and good money management ability.