"I don't mind waiting. I still don't know as much about the dragonborn ritual as I'd like. If it's not instinctual, then I'm going to be the one to teach Alistair what to do." And branching off from that, how to keep Strange from going crazy.

He's noticed that pause. And he's also noticed that Shura's wine is gone. As he talks, Strange reaches down to pick up the bottle of wine, assuming that she's going to want more (he definitely wants more).

"Were you going to say something?"