She remained tense until Whatshisface the loony preacher guy finally left, stiff with a clenched jaw until he was gone. And then she softened and gave the poor barista he'd been badgering a polite smile.
"You know, now that I think about it, something that implies a literal barrage of caffeine is pretty much exactly what I need. I'll take a caffeine bomb. Unless," she glanced at the menu, "you have something else more likely to make me vibrate through the walls."