Molly holds on to his hand and listens as he explains what they're going to the museum to do. Her eyes light up when he mentions free access to all the exhibits. She's used to having to push her way through crowds to read all the little cards as she likes to do, and she never feels like she can look at things as long as she'd like.

"Oh, that sounds lovely. I haven't been there in ages."

And no, most people would probably not consider old surgical equipment and glass jars of tumors to be 'lovely' but she knows Sherlock won't look at her strange for her use of the word, like some others might.

"Do you know what types things we'll be trying to identify? Have they given you any idea?"