I’m a 34-year-old woman married to my husband Jason (39) for three years. He has two daughters from a previous marriage—Emily, who is 10, and Lily, who is 8. I also have a 12-year-old daughter, Ava, from a prior relationship. From the beginning, Ava has struggled to adjust to our blended family. Although I’ve tried hard to create a peaceful household, her behavior toward Jason and his daughters has been consistently hostile.

Ava refuses to engage with them, calls Jason “the man Mom married” instead of using his name, and has openly said that Emily and Lily don’t belong in our home. I’ve tried talking to her, grounding her, and taking away privileges, but nothing has helped. Jason has been patient, but the tension has clearly been taking a toll on him.

Things came to a head last week when Ava came home from school and found Emily using her art supplies—with permission. Ava lashed out, yelling insults and ruining Emily’s artwork. When Jason intervened, Ava snapped back that he wasn’t her father and had no authority over her. That night, I confronted Ava and told her her behavior was unacceptable and hurtful to everyone.

She responded by accusing me of always choosing Jason and his daughters over her and suggested that maybe she should leave so everyone else could be happy. Hurt and frustrated, I reacted by telling her that if she couldn’t show respect, she wouldn’t be spending Christmas with us.

When she realized I was serious, she exploded, calling me a terrible mother and storming off to her room.

The following night around 2 a.m., I received multiple calls from an unknown number. When I answered, a man accused me of abandoning my daughter and implied I needed to be taught a lesson. Terrified, I hung up and rushed to Ava’s room, only to find her gone. I called her immediately, and she answered calmly, telling me she was safe and implying that this was meant to make me feel guilty.

I later discovered that Ava had gone to her biological father’s house without telling me. She had portrayed the situation in a way that made me look cruel, and her father asked his brother to scare me with the phone call. Jason was furious when he found out and confronted Ava’s father to set the record straight.

Now my family is divided. Some relatives accuse me of being heartless and say I should love Ava unconditionally, no matter how she behaves. Jason believes I made the right choice and that firm consequences are necessary. My mother, however, says I’m pushing Ava away.

Ava still refuses to apologize and insists that I’ve chosen my “new family” over her. I’m torn between protecting my household and repairing my relationship with my daughter, and I don’t know whether I went too far or did what was necessary for everyone involved.