St. John Paul II says, “Love is never something ready-made, something merely ‘given’ to man and woman; it is always at the same time a ‘task’ which they are set.” We must always be persevering in love, so to help you, your spouse, and your family, we have three prayers for you to strengthen your marriage.
Prayer for Married Couples
Almighty and eternal God, You blessed the union of married couples so that they might reflect the union of Christ with his Church: look with kindness on them. Renew their marriage covenant, increase your love in them, and strengthen their bond of peace so that, with their children, they may always rejoice in the gift of your blessing. We ask this through Christ our Lord. Amen.
Prayer of Spouses for Each Other
Lord Jesus, grant that I and my spouse may have a true and understanding love for each other. Grant that we may both be filled with faith and trust. Give us the grace to live with each other in peace and harmony. May we always bear with one another's weaknesses and grow from each other's strengths. Help us to forgive one another's failings and grant us patience, kindness, cheerfulness, and the spirit of placing the well-being of one another ahead of self.
May the love that brought us together grow and mature with each passing year. Bring us both ever closer to You through our love for each other. Let our love grow to perfection.
(from Catholic Online)
Prayer of a Couple on the Anniversary of Marriage
We praise you, O God, we bless you, Creator of all things, who in the beginning made man and woman that they might form a communion of life and love.
We also give you thanks for graciously blessing our family life so that it might present an image of Christ's union with the Church.
Therefore, look with kindness upon us today, and as you have sustained our communion amid joys and struggles, renew our Marriage covenant each day, increase our charity, and strengthen in us the bond of peace, so that we may for ever enjoy your blessing. Through Christ our Lord Amen.