I thought about that question honestly before I answered it, because I owed them an honest answer, not just a comforting one.
"I don't think so," I finally said. "But I understand why you were scared enough not to take that chance."
"We were eighteen," Nora said. "We'd just found out our whole existence started because of something Mom was ashamed enough of to run from her own kids. We didn't know how to hand that to you and still be sure you'd stay."
"I've never once stayed because of biology," I said. "I stayed because three babies were crying down that hallway, and nobody else was coming. That's the whole reason. It was true the day I signed those adoption papers, and it's still true right now, sitting at this table."
⸻
Piper was crying harder now, the kind of crying that comes from relief as much as grief.
"So it doesn't change anything," she said. "For real."
"It changes what I understand about why Mom left," I said. "It doesn't change one single thing about what the four of us built after she did."
I reached across the table and took all three of their hands at once, the way I used to when they were small enough that one of my hands could nearly wrap around all three of theirs.
"You are my sisters," I said. "You are also my daughters, in every way that word has ever actually meant something. Both of those things have been true for twenty years, and a letter written by a woman who couldn't handle her own guilt doesn't get to unmake either one."
⸻
We took our photo late that night, long after the cake had gone half-eaten and the letter had been folded carefully back into its envelope and set on the counter instead of hidden away again.
It's the twenty-first photo in that hallway now — four faces a little older, a little more tired, but standing exactly where we always stand, against the same wall we've stood against every year since three babies were too small to hold their own heads up.
I don't know if I'll ever fully make peace with everything in that letter. Some nights, I still think about a woman standing in a doorway, looking like she wanted to say one more thing before she left, and I wonder if that unsaid sentence was some earlier, smaller version of the confession that finally reached me twenty years later.