[ She isn't really angry or deeply offended - it's a matter of principle. She is offended, but not enough to rip him a new one, especially when his confusion seems genuine and she knows that something in their conversation did reverse the effects. So that means he wasn't being intentionally cruel, (though unintentional cruelty is still cruel), he was likely just a jackass.

She can deal with that.

Rogue sighs and glances back over her shoulder. ]

You're real lucky you're talking with me an' not someone else, kid. Heck, even the me of six years ago might've left you on the ground for being such a jackass. Are you sure you even want to help me?

[ Not help in general. Help me. Look at me.

But directly after the word 'jackass', her hair finishes changing back to normal, so he might not get the implication. ]