The only problem with this… is the same problem we have always had. We don’t know what he did then. We don’t know if we’re changing anything at all, even giving him what we think is “new” information.
It’s always turned out to be leading directly into history as we’ve always known it.
So… I say your response is… fine. You’re well-spoken as always. And if you go against your gut now, he will be able to tell. Your honest voice is what he believes.