Blue? Who is she—oh wait, she's talking about Alistair.

"His name is Alistair Tourmaline," Strange gently reminds Shura. "And they grow at a regular rate. Dragons—ah, careful, we're going down a bit of a slope."

He remains quiet as he helps navigate Shura down the slope but then starts talking again once they're on level ground. "Anyway, I don't think you have to worry about Aconite getting too big for your house any time soon. You'll have to worry about flying before that."