She's still working on what constitutes as what Johnny calls 'normal person etiquette.' There are still wrinkles and catches where she's too formal, too expectant of other people--or simply too removed from touch.

She's not sure where 'overhearing someone ordering and making assumptions then throwing yourself into conversation with them' fits on that scale. There's no one here to monitor her. What can go wrong?

"--are those-- both for you, then? Or-- are you bringing one to a friend?"