He said I was coddling her and that she needed to learn responsibility. I said she was responsible and that he needed to back off. He didn’t back off. He started making comments directly to Lily. He’d ask her when she was planning to move out. He’d tell her that most kids her age were already thinking about their futures.

He’d mentioned that his parents kicked him out at 17 and it was the best thing that ever happened to him. Lily started spending more time in her room. She stopped coming downstairs for family dinners. She stopped talking to me about her day because she didn’t want to run into him in the kitchen. I watched my bright, happy daughter turn quiet and anxious, and I blamed myself for not seeing it sooner.

Last month, everything came to a breaking point. Lily was in the living room doing homework when my husband came home from work. He walked in and saw her sitting on the couch and something in his face changed. He told her to go to her room because he wanted to watch TV. Lily said she was almost done with her assignment and asked for 10 more minutes.

He said this was his house and he didn’t need to negotiate with a child. Lily looked at me standing in the doorway. I told my husband that Lily could finish her homework and that he could watch TV in the bedroom. He turned to me and said he was tired of tiptoeing around a kid who wasn’t even his. He said he’d been patient for 2 years and he was done pretending.

He looked at Lily and told her she needed to find somewhere else to live because this was his house now. Lily’s face crumpled. She grabbed her books and ran upstairs and I heard her door slam. I stood there looking at the man I’d married and realized I didn’t recognize him anymore. I asked him what made him think this was his house.

He said we were married so everything that was mine was his too. I asked him if he’d read the prenup he signed before our wedding. His face changed. I reminded him that my grandmother’s house was protected as separate property and that he had no legal claim to it whatsoever. He said prenups could be challenged.