Most people's list was written at twenty-two and was mostly wrong. Tall, funny, likes the same films. Then an actual person arrives and turns out to be the one who stays calm in hospitals.
Being what someone was looking for usually means being something they hadn't thought to specify. The qualities that make a life liveable rarely make it onto a list, because you have to live a while before you know to want them.
There's a version of this audible at any long anniversary. The thing they praise is never the thing they originally went out looking for.