While I sat in that chapel swallowing my own heartbreak so as not to dim my sister’s joy, my parents sat a few feet away watching an arrangement they had authored pay out as designed, a disabled daughter married off, a guardianship transferred, a problem, as they saw it, solved.

I have tried, many times, to find some sympathy for them, some understanding of the pressure my father would later claim they were under.

And I can, in the abstract, understand that raising a child the world makes harder to raise is genuinely difficult, that fear and exhaustion can warp people, that not every cold parent started out cold.

But understanding is not the same as excusing, and there is a line, and my parents did not merely stand near that line.

They sat down at a lawyer’s desk, in the firm that bore my father’s name, and they drafted a contract to pay a young man to take their own daughter off their hands, and they signed it, in ink, with their careful elegant signatures.