I felt like an iron fortress for about a day. Then I listened to the rest of my mother’s voicemail, the part I had cut off the first time.

My grandmother was in that house.

Nadia’s stream had shown the party. It had not shown the back bedroom, where my grandmother, eighty-one, on oxygen, had been staying since November because the assisted-living waitlist was full. The furnace I shut off with one phone call was the furnace keeping her room above freezing. The “real crew” dancing by the DJ were the same relatives who left her down the hall with the door closed so the noise wouldn’t bother her.

My parents were monstrous. But my grandmother had done nothing except get old in a house full of people who forgot her the same way they forgot me.

I did not luxuriate in the fortress. I called the utility back and paid the reconnection fee before I even had my coat on, and I drove three hundred miles through the day-after-Christmas snow, and I got there before the pipes burst. My grandmother was in three sweaters and a good mood, because she had assumed the outage was weather and nobody had told her otherwise.

I took her with me. That was the only real consequence anyone earned. Not the dramatic phone call, not the severed sim card. I loaded her oxygen tank into my back seat and drove her to my studio, and she has been four blocks from me ever since, in a place I found and pay for, which I would have gladly done years ago if anyone had told me she needed it instead of asking me for rent.

My parents lost the lease. That part was real. They moved in with an aunt, and the “real crew” scattered the way crews do when the venue closes. I did not orchestrate their ruin. I stopped funding their illusion, and the illusion could not stand on its own, which is a different thing that only looks the same.

I speak to them now, rarely, and only because my grandmother asks me to relay that she is warm. That is the whole channel that remains open between us: her comfort, reported through me, to people who canceled Christmas on the one grandchild who paid for it and the one grandmother who couldn’t leave the room.

I did not turn off the lights in anyone’s heart. I turned off a furnace to prove a point, and an old woman I love nearly paid for it. The lesson was not theirs. It was mine. Revenge does not check who else is in the house.