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Should you stay in an abusive marriage for the sake of your children? If the abuse is physical or constant verbal abuse, it's best to separate for the protection of yourself and for the good of your children.
Which is the greater priority - marriage or parenting? The truth is, they are both priorities. You'll regret it if you neglect either one.
There is something about the way we're made that cries out for intimacy. God has designed marriage to be the most intimate of all human relationships.