Petra: *sees 3 titans on her way* *easily jumps and grapples up with the 3DMG and slashes all their necks* *sees another round of them coming* I'll take them all! *gasps when someone grabs her* Sir?!

Levi: Don't kill them recklessly.

Petra: But sir, I can-

Levi: I know that, but, you're my girlfriend now, I won't leave your side. And please, drop the formalities, will you?

Petra: *gasps then blushes*