Once in a lifetime
I didn't.
"For what it's worth," he said, quiet, close now, "I don't think this happens twice. Whatever this actually is between us — I've been trying to find the right words for it for months, and I keep landing on the same thing. Once in a lifetime. That's what this is. That's what you are."
I felt the words land somewhere I hadn't fully guarded in a long time.
"Once in a lifetime," I repeated, testing the shape of it, finding that it fit exactly as well as he'd made it sound. "Yeah. I think that's right."