It had been hard work. Maths wasn’t like that when she was at school… but then again, her parents hadn’t helped her with homework. They’d stared at the problem and asked the video assistant for help. Sam had tried to explain but she’d just scowled, like when Sam had made a bad joke to distract her. Not angry, just concentrating, thoughtful. The camera’s light just blinked patiently. They’d managed it, clicked submit and Sam had gone to bed. She opened another window on the laptop. “You seem angry, Alex. Would you like to see our range of anger management oils?”