If Billie weren't being serious about this, she might have. 'Practice harder at not being stabbed' is something she's done and it's a lot harder than catching blades properly but she's hoping a mage isn't going to worry about that particularly big picture.

So, what Strange gets is her crossing her arms and looking thoughtfully at him, actually considering whether to agree with him or not. Ultimately, he does have a fair enough point.

"Fine," she says at last. "But you hit me or anyone else while doing that instead and you're in trouble."