I had checked the math for four months.

Warren had stayed in touch since. Annual emails. Occasionally coffee. When I mentioned the engagement, he’d asked about the venue and I’d said we were still figuring it out, budget was tight.

The call came three weeks after the balcony.

Harper, use the estate.

I can’t accept —

You reinforced the foundation of my house. Literally. You’re the reason that building is still standing on that cliff. The least I can do is let you stand on it for one day. Stop calculating and say yes.

I said yes.

Not because of the forty million dollars. Because a man I had built something for offered me the thing I had built. Structurally speaking, that was the right kind of foundation for a marriage.

The dress fitting was Nina’s doing. She found a sample sale in Beverly Hills and informed me, in her non-negotiable register, that we were going. Mrs. Park drove up from Torrance.

The saleswoman kept asking about the bride’s mother.

She’s not available, I said.

Nina looked at Mrs. Park. Mrs. Park looked at Nina. Something passed between them — a small alliance, wordless.

Mrs. Park said: We are here. That is enough.

The saleswoman adjusted and did not ask again.

I tried on four dresses. The fourth was right. Silk crepe. No beading. No lace. No embellishments that needed explanation. It fell straight from the shoulders and moved when I moved and was quiet the way I am quiet — not because it had nothing to say, but because it didn’t need to say it loudly.

Nina said, Oh my God, and covered her mouth with both hands.

Mrs. Park pressed her handkerchief to her eyes. Then she put it away, straightened her spine, and said:

You look like a bride who knows exactly who she is.

I looked in the mirror.

For one clean, uncomplicated moment, I did not see the wrong daughter, or the girl on the porch, or the woman on the kitchen floor.

I saw Harper in a wedding dress, standing up straight.

That night I sat at the kitchen table and wrote my vows. The language came back. The structural metaphors, the precision, all of it. I wrote and rewrote and crossed out and started over until I had something that felt true.

In engineering, perfect and true are different standards. Perfect means no flaws. True means the thing does what it was designed to do.

When I finished, I picked up my phone. My thumb, by twenty-eight years of reflex, scrolled to L.

Lorraine Langston.

I held it there.

Three seconds.