you better thank God for your life that the man till let stay in his house,  50 years without a child  the man must be a generous person or do you think is ease like that or may be the man have problem or you,something that female dont under stand is when they are enjoy there marriage without a child they always believe there man.what about if your husband have a child ,outside .his telling you indirectly that his tired of you,or dont you get it,my advice to you is to keep on praying may be God can till remember you, hope you too believe in God.