[Perhaps it runs in the family. Looking at how things might have been, instead of what they are now. It's not something Sif has ever been adept at, and that frustration shows itself.]

How do I answer that? I wouldn't know you if you weren't Loki Odinson. I wouldn't have grown up with you, and gods know you make a terrible first impression.

I wouldn't...have lost my best armor in that fire pit because of you. I'd still have golden hair. I'd suspect I'd have more scars. Or less. Hogun and I would be in the minority of reasonable thinkers, but that would scarcely matter, because Thor would be egged on so much less. You think you’re subtle about that, but you’re not.

I wouldn't know you. I don't know how to chose some theoretical version of who you are.