I never wanted my stepmother at my wedding. But my father asked me with tearful eyes to let her come. After nearly two decades of quiet insults and tension, I agreed. It was one day, I told myself. I could handle a few more hours.

I had no idea what she had planned.

My name is Lindsay. I’m 28, and last month, I married Ethan—my best friend, and the one person who’s loved me through everything. Including the emotional aftermath of growing up with Diane, my stepmother.

Ethan had gently warned me. “Are you sure you want her there? This is our day, not hers.” But I didn’t want to cause a rift with my father, so I agreed. Diane came into our lives after my mother passed away, and although she supported my dad, for my sister and me, her presence felt like a constant shadow.