Of course she was worried he would be horrified! It isn't something you run into everyday, the girl that can control light with her mind, not everyone is a superhero in real life!

Although, maybe, because of who Tony was she shouldn't have been that surprised that he didn't seem to mind.

"You're bloody arc reactor is really powerful, let me just say, I feel a bit tipsy right now. I've never absorbed that much of... self-sustaining energy." She breathed out a somehow breathless sigh, giggling softly. "Gimme a mo', yeah?"