In 1984, Kosa was married to Radha; soon after their marriage, Kosa decided to have a vasectomy, as the couple consciously concluded that "it was very difficult to have children and fight a guerrilla warfare."
1984年，科萨与拉德哈结婚，他们结婚后不久，科萨就决定做输精管切除术，因为这对夫妇自觉地得出结论：“生养孩子并进行游击战是非常困难的。