Her threat hurt, because a child never completely stops wishing a parent would choose love over control.
But the hurt no longer meant I had to surrender, and her silence no longer required me to fill it with apologies.
"I want you in my life," I told her, "but not if being your daughter means accepting cruelty."
Diane stared at me as though I had refused a rule written into the walls of our family home.
"So that's your answer," she said, making the words sound like a verdict she had been forced to deliver.
"My answer is that you need to leave today," I said, "because you have continued insulting people after being asked to stop."
Martin moved toward the entrance, not to threaten my mother, but to give her a clear path to the door.
The room had become quiet again, although nobody rose to applaud and no one announced that justice had been done.
People looked down at their plates, letting the moment belong to a family they did not know.
Diane pressed one hand against her pale yellow jacket, suddenly looking more bewildered than furious.
"You would throw your own mother out on Mother's Day," she said, speaking softly enough that I almost recognized grief.
"I'm asking a guest to leave because of her behavior," I replied, "and being my mother doesn't cancel that responsibility."
Vanessa wiped beneath one eye with her thumb, then stepped between us before Diane could turn the exchange into another spectacle.
"Mom, we should go," she said, and there was no accusation left in her voice, only exhausted certainty.
Diane looked at her younger daughter, searching for the obedience she had always found there.
"I suppose you're taking her side now," she said, her hands tightening around the gift bag.
"I'm taking responsibility for mine," Vanessa answered, "because I helped plan something mean, and I don't want to do that again."
For a long moment my mother said nothing, and the silence felt more honest than every polite smile she had worn.
Then she turned and walked toward the glass doors, her heels clicking over the floor she had entered so confidently.
At the threshold, my mother paused with one hand on the door and looked back at me.
"Don't expect me to forget this," she said, and the words carried the same promise of punishment I had heard growing up.
"I won't," I answered, because I had finally stopped confusing peace with making myself forget.
She went out into the morning sunshine, and Martin waited until the door closed before turning back to us.
The breath I released felt as though it had been trapped behind my ribs for twenty years.
"I'm sorry," Vanessa said again, "and I know saying it doesn't make what I did acceptable."