Tessa rolled her eyes as Sam muttered something along the lines of don't think too hard. "All right, you two," she quipped, "If you don't behave, I'm going to have to separate you." The joke being, of course, that she technically had to separate them anyway.
She shooed Sam out the door, then followed him out to his vehicle, proceeding to tune out the majority of what was going on inside his head unless one of them decided to address her directly.