[Right. Molly knows she was correct then, the second time, when she said Sherlock probably wouldn't say a word if Jim came after him. It's like him--like anyone who tried not to look sad when people could see.

But she nods anyway. Molly knows there's nothing she can say to make him promise the way she did. So she just offers what she can.]

Good. Because we'll help you.

[It doesn't feel like much, but it's what Molly's got. That and her smile. So she smiles, and tries to come up with something else to talk about.]

Have you got a lab set up yet? [Something safe, just off the top of her head.] I mean, not that it's any of my business. But it's the sort of thing you would do. Get some sort of lab going.