I live with my husband, our daughter, and my stepson. After we moved in together, my daughter grew quiet and distant.. She insisted everything was fine, but I couldn’t shake the feeling that something was off. Then one night, just before bed, I was shocked to overhear my stepson in her room saying, “I’ll take whatever I want, like always. You’re not going anywhere, and you won’t get it back.”

I stood there frozen. I couldn’t believe what I was hearing. Later, I found out he had been mocking and belittling her for months.

My first instinct was to throw him out right then and there, but my husband stopped me. “You can’t just do that,” he said. I stared at him in disbelief. “If you’re not going to protect our daughter, I will. I’ll leave, and I’m taking her with me.”

That night, my husband finally confronted his son. My daughter looked relieved, but I can’t shake the unease. I keep wondering if this will truly stop him. Has anyone dealt with a similar situation — a stepsibling constantly tearing their child down? How did you make it stop for good?

— Catrice.

Thank you for opening up about your experience, Catrice. This is an incredibly difficult situation, and there’s no quick fix. Still, here are four steps that might help you gain some clarity and decide how to move forward.