[ Oddly, it does. Everything he's said makes sense to her. The Doctor's accidentally erased his memories more than once, and as for being different: ]

I've been basically living with a weirdo for a while, and when we weren't living together, we traveled together. He's my best mate.

[ Clara offers a small smile that manages to reach her eyes briefly. ]

I think you're alright. We probably both are. My parchment's about being a complete and utter arse for an extended period of time. To my best friend.

[ She looks away again, and resists the urge to open her crumpled parchment and read it again. ]

Maybe there's no such thing as 'too insignificant' here.