I am going to tell my mother tomorrow that the answer is no. I want to tell you why, because I know how this sounds, and I know what you are thinking, and I know the verdict most people are going to render. Here is what I have decided, in the dark of the last seven nights. I can live with my sister dying. I don't want her to die. If some other donor matches, I will rejoice. If a cadaver kidney comes through, I will send flowers. If a miracle happens and Harper's kidneys recover, I will genuinely weep. What I cannot live with is the version of my life where I gave Harper my kidney and she never — not in her recovery, not at Christmas two years later, not on her deathbed when it came for her the second time — said she was sorry for what she said at my thirtieth birthday. I would spend the rest of my life knowing that I had given the most intimate piece of myself to a woman who believed I was never her sister. And that is not self-sacrifice. That is self-erasure. And I have spent thirty-six years being erased in that family. I am not going to pay for Harper's life with my own disappearance. I am telling my mother tomorrow. And I do not know if any of them will speak to me again. So tell me honestly — am I letting my sister die to prove a point, or am I finally refusing to be the one who apologizes by default?

* Story inspired by real-life situations. Names and details have been changed for privacy.