Why I Stopped Being the Perfect Wife and Daughter-in-Law

“How can someone seem loving for years—then suddenly turn cruel?”

This week’s Fan Mail revisits a letter that struck a nerve with listeners. A woman wrote about her daughter-in-law, who had seemed like a wonderful addition to the family for seven years—until she “suddenly turned into a monster.”

But after the episode aired, Dr. Kerry received another listener’s response who offered the opposite perspective: “I was in a 23-year marriage marked by coercive control and escalating abuse. My in-laws adored me—until I began calling out my husband’s behavior. Then they rallied around him and turned on me.”

In this episode, Dr. Kerry unpacks six possible explanations for why someone may seem to “suddenly change” in a relationship or family dynamic.

Submit Your Question

If you’d like your question addressed on air, send it here:  

👉 https://kerrymcavoyphd.fillout.com/fan-mail

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Resources

• The Complete Recovery Collection: Narcissistic abuse resources
• First Steps to Leaving: Online self-paced digital course
• Toxic-Free Relationship Club: Live coaching & community support

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Kerry Kerr McAvoy, Ph.D., an author and educator, helps listeners decode toxic dynamics, recognize manipulation, and rebuild self-trust.

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This podcast/video is for educational purposes only. It does not constitute therapy, counseling, or professional mental health advice, nor does listening create a doctor-patient or therapist-client relationship. If you or someone you know is in immediate danger, please call 911 or contact the Suicide & Crisis Lifeline by calling or texting 988 (US/Canada).