If you are keeping the Lords Commandments, and following His foot steps, He will provide the best plan He has for you not according to your time or plan. Though both Abraham and Sarah wished for a child, Lord blessed them with Isaac according to His time.
It's not true many women prayed waited on God for a husband and children and ended alone there are millions in the world like me and God can't do anything. There is no best plan. We all have an expiration date here on earth. Even Jesus died.