User blog comment:IamJakuhoRaikoben/Chapter 368: The Third Seal, Review./@comment-7418318-20140124134907

"and Natsu, as always, shows his complete lack of manners"

Lack of manners and lack of interest in Lisanna's naked body, since he doesn't react at all to seeing her like that. No blush, no smirk, no snide comment... just nothing.