OP's divorce from her ex-husband went relatively smoothly for her daughter, the only request she had was that she didn't want any new parents or siblings.
After the divorce, OP's daughter initially accepted her new relationship, but when OP got engaged and planned to move in with her partner, the daughter felt the promise was broken and wanted to live with her father full-time.
Now OP's ex is willing to fight it in court if necessary, and OP is concerned about his parenting style and believes that the daughter shouldn't have the right to dictate her visitation schedule.
OP's ex supports his daughter's wish to live where she's most comfortable, and OP is concerned about the daughter having too much power over this decision.
OP made a promise to her child, and she shouldn't be upset that she's upset about it.
OP betrayed her trust.
OP is wrong for making that promise instead of seeking family therapy with her child.
OP is wrong for wanting to make major changes in her child's life despite agreeing to maintain stability in the family after a previous change.
The OP made her a promise, and now without considering her feelings he is making new changes in her daughter's life
OP is wrong for not respecting a child's request and dismissing her feelings.
OP broke a promise to a child and appears insensitive to the child's feelings and wishes regarding custody arrangements.
OP is wrong for breaking an agreement with her daughter and introducing a new partner without her consent.
OP made an unreasonable promise to her daughter.
The promise should be kept and the daughter could live with her father if necessary.
It wasn't truthful or realistic to promise something like that.
OP is facing a challenging situation with her daughter after breaking a promise made during a difficult time. While it's understandable that circumstances have changed, and new relationships have developed, it's crucial to acknowledge the daughter's feelings and the promise that was made to her.
The OP's decision to seek help from a therapist or other experts to navigate these complex situations is a wise step.