He almost seems to be pouting. He knows Jack has gone all reformed and self-righteous, but still...
He shakes his head. "Whatever, lady. So you don't like me, based on limited second-hand knowledge. Really, it's no skin off my nose." He stands, shrugging, and pick ups his rucksack, slinging it over his shoulder.
"Fine, sure, it's not like that. Of course it's not." He keeps smirking. "Well, off to whatever you were doing, then, don't let me keep you..."