[Horatio frowned darkly at those words, and he gripped Archie's shoulder a bit more snugly.]
Because it does matter. And if you don't remember, you can't be certain.
[And Horatio knows that he would be most frightened of that part himself, of not being certain. Know every detail or know nothing at all... but to have only an idea.
Then, softly.]
We'll find a way to stop them.
[It wouldn't help what had gone before, but it could help what came after.]
[action]
Because it does matter. And if you don't remember, you can't be certain.
[And Horatio knows that he would be most frightened of that part himself, of not being certain. Know every detail or know nothing at all... but to have only an idea.
Then, softly.]
We'll find a way to stop them.
[It wouldn't help what had gone before, but it could help what came after.]