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Sarah called my office with a question I have heard a thousand times. “My husband’s ex-wife is a very unhealthy person. She attacks us frequently in front of the kids and manipulates them constantly. How do we deal with this?”

Without question, one of the most menacing dynamics attacking the health of a stepfamily is a destructive parent in the other home. A parent, for example, with a personality disorder or drug or porn addiction is exceedingly difficult to deal with. So, too, is someone who is just plain unreasonable, irresponsible, and selfish. The temptation, of course, is to get drawn into the emotional game-playing and try to out-fox the fox. But God’s Word suggests a better way.

In his infinite wisdom, God gives us specific instructions in the latter section of Romans 12 on how to love a difficult person. His prescription for overcoming evil is direct: overcome evil with good (verse 21). The goal, then, in spite of the hurt we experience at the hands of others, is to offer ourselves as a living sacrifice and repay evil with good. But what about revenge? Isn’t that justified?

Romans 12:19 makes it clear that revenge is not in keeping with the mercies God has shown us (see verse 1), therefore, God is the only one who should seek vengeance. He is the only one who is pure and holy, with no ulterior motives. He always desires our higher good. If a parent in the other home chooses evil, it is God’s job to handle the situation. Not yours.

But what is your role in the meantime? Are you supposed to sit around and passively wait for more persecution? No, the answer is to become aggressive with good. When wicked behavior is running rampant, it feels like it is in control. However God’s Word tells us that good is more powerful than evil. God does not say that doing good to others will help us tolerate their evil. He says that we can overcome it. “Do not be overcome by evil, but overcome evil with good” (Romans 12:21 NIV). Light overwhelms darkness. Hope triumphs over discouragement. Love casts our fear. It is our task, in the face of evil, to offer good. Why? Because good invites repentance. Consider Romans 12:20 (NIV) “If your enemy is hungry, feed him; if he is thirsty, give him something to drink. In doing this, you will heap burning coals on his head.” The phrase “heap burning coals on his head” referred to awakening the conscience of another. With good, we can melt the heart of evil with burning shame. Constantly repaying evil with good holds a mirror up to the perpetrator reflecting only their evil; in some cases this will bring about a change of heart.

I’ll never forget receiving a call from a woman I’ll call Carrie. She had recently remarried and needed some marital counseling. But what caught me off guard was the fact that she was referred by her children’s stepmother, Patty. “I have come to trust Patty and her recommendations,” Carrie said. “But it didn’t start out that way—when she first married my ex-husband I thought she was the enemy and I was threatened by her. But she has proven herself time and again to be decent and pure of heart. I actually consider her a friend at this point.” Wow! There is power in stubborn goodness.

But what if repentance does not happen in the heart of the destructive parent? Then their behavior is between them and the Almighty. In the meantime, you may suffer much at their hand, but you must trust God to do what is right and to see you through the trial. And what do you get for your obedience? Another place in scripture concludes that the Lord will reward those who do good to those who are evil (see Proverbs 25:22). The evil of some parents can be overcome in this life with good, others cannot. Either way, the LORD will notice your sacrifice and reward you.

Until then live this way (see Romans 12:14-20):
  • bless and do not curse;
  • do everything you can to live in harmony;
  • do not be proud and be willing to associate with her despite her behavior;
  • do not become conceited;
  • in public be careful to do what is right;
  • do not take revenge;
  • “feed” and “give her something to drink” even when undeserved.

Ron L. Deal is Founder & President of Smart Stepfamilies™ and Director of FamilyLife Blended® for FamilyLife®. He is a bestselling author, highly sought-after speaker, and therapist specializing in marriage enrichment and blended family education. Learn more here.