To build a godly legacy with children takes a lifetime of sacrifice. To establish a strong marriage requires years of growing more selfless, giving deeply of love, compassion, forgiveness, and growing in maturity.
I truly believe that God will cause all things to work together for good for those—especially mothers—who are called according to his purpose. Through the eventual faithfulness of his disciples, who also had once betrayed him, Jesus was able to reach the whole world.
As we wait patiently for the fruit of our faith and service in the lives of our family to be revealed, we will see God's faithfulness. In the meantime, we can know that our choice to love and serve them with a whole heart is the right one.
Read more about this in The Mission of Motherhood.