She frowned a little, listening to him talk about the multiverse. Ellie worried at her bottom lip. "So, what happens if you change history? Do...you change? Do you just disappear?"
Ellie arched an eyebrow at him. It was nice and all, for him wanting to check up on her. But the expression he gave her gave her pause. "Where am I, in the future? Why didn't I come with?" Ellie knew that this would have been right up her alley.