People born on 3, 12, 21, and 30 are ruled by Jupiter, making them wise, optimistic, and leadership-oriented. How to Deal with Them 1. Respect their opinions – They love sharing knowledge. 2. Let them lead – They enjoy taking charge. 3. Be honest – They dislike manipulation. 4. Appreciate their efforts – Recognition motivates them. 5. Stay positive – They avoid negativity. 6. Give space for their big ideas – They dream big.