Their unity is a reflection of the relationship between Christ and his bride, the church (Ephesians -33).
But the fulfillment of that union can only be experienced if the husband and wife are spiritually united in a common faith and love for Christ. If you and your partner are divided at the very core of your soul, on the spiritual and most important aspect of your life, how can you experience genuine unity?
The leadership at the church where the AWANA Bible club I attended as a child freaked out when a woman asked to lead the high school group.
Women are not to teach men in the church, see—and boys in high school are basically men.
Now she has two kids to raise up, and their father is insisting that they go to a Catholic school.
The apostle Paul advices a Christian widow who wants to re-marry, saying, "A wife is bound by law as long as her husband lives; but if her husband dies, she is at liberty to be married to whom she wishes, only in the Lord" (1 Corinthians 7: 39).
The New Testament is equally adamant in its position against mixed marriages.
Christians should not be "unequally yoked" with unbelievers (that is, with people who do not believe the Christian gospel): "Do not be unequally yoked together with unbelievers. Spiritually, there is nothing in common between Christians and unbelievers. How can the two walk together if they are going in different directions?
What do you think, is right or wrong if a Catholic and a Christian were to marry?
Answer: I am deeply concerned for you and your friend.