At first she looked surprised, and then she looked absolutely skeptical of his assessment, rubbing her shoulder absently for emphasis.

"Um, no? I'm pretty sure you didn't."

I'll have the bruise to prove it later- is what she didn't say.

But she looked unsure. That didn't sound entirely like he was talking about his aim.

"... Do I know you?"

Agreed, it was stupidly difficult not to be blunt right now, and that kind of guilty twist (what the heck) she gets from his admission is not helping her feel less queasy.