He's starting to learn from her bad impressions she gave him.
No, this is just common sense. Most women would react that way, and only an idiot would think it a good idea to ask it, especially of someone who could literally fold you like a pretzel.
I have a feeling even if he told her it's so he can princess carry her, she'd respond with something like, "Huh?! So you want to touch me and run your hands all over my body, you pervert!"