Watson gave a small laugh - a very small one, but a laugh all the same. "I used to think the same thing, to be honest. I think it took meeting his brother to convince me otherwise."

Talking like this... well, it was painful, it made him positively ache in a physical way, but it was also almost a relief, too. Bless Guy Lestrade for it, for thinking of him.

"I think sometimes I still wasn't convinced."