[Molly knows that tone, and no it really isn't that different from the day in the morgue. She hates hearing it, seeing the look that comes with it, and Molly straightens her posture, tries to sit a little taller in her chair to somehow compensate.]

But you do have us. [She confirms what Sherlock says, even if he doesn't see it in the same way she does. It's proof to her.]

If all of us said something, people would listen. Enough to question, at least. [She leans forward, eager and earnest. Maybe she can help him hope a bit more.] Even as good as he is, he can't fool everyone. Not with enough people who know the truth around.