Ma'am, I know when I been helped enough to owe somethin' back, and that's that! [Despite his insistence, the playful edge to it made it very apparent that he wasn't particularly serious about it, nor would declining break his heart, or anything like that.] At least let me get you somethin' decent to drink at some point, or some dinner, if that's more excitin' for you, and I won't fuss about it anymore.