It hurts more to live your whole life lonely without a loving husband to care for you. Check out women in this country who have passed the age of 35 without marriage. Even if they are rich, money can't buy them what they are missing. I know some and their life is a misery. No prospect of love, children, happy family, etc. Whereas The wife is only hurt cause she can't bear the idea of sharing her husband with another woman. The children don't feel this cause they are brothers and sisters and don't feel the jealousy a wife has towards the other.