Why did old tomba wish for a third son?

Old Tomba wished for a third son because he believed that having another son would bring balance and strength to his family. He felt that his two existing sons, though capable, lacked the harmony and unity needed to face the challenges ahead. A third son represented hope for a more complete lineage and the possibility of greater future prosperity. Ultimately, his desire stemmed from a longing for fulfillment and potential within his family.