Molly's had similar thoughts of her own, which is why she's found something to do with herself that does not include snogging Sherlock on the couch. Laundry, she figures, is pretty un-sexy.

Sherlock's right. So is Mycroft.

"Of course you did," she says with a slight laugh and in her mind's eye those two little boys in the back of the car are in impeccably tailored, posh little suits even though she knows that's probably taking it a bit far. "My mum and I used to play I Spy on car rides."

Which pretty much exactly sums up the differences in their childhoods and their intelligence levels.