“When God-Yahweh says, ‘It is not good that the man should be alone’ (Gen 2:18), he affirms that, ‘alone,’ the man does not completely realize his essence. He realizes it only by existing ‘with someone’ – and, put even more deeply and completely, by existing ‘for someone.'”
Pope John Paul II, Man and Woman He Created Them, Pauline Books and Media, 2006.