The young man jumped off his bike in a rage and stormed into the house, the front door slamming behind him. His sisters called out to him, trying to get his attention but he was too angry to listen. He strode into the living room and came to an abrupt halt.

His mother was stepping out of the kitchen with a plate in her hands. They stared at each other before she broke eye contact and turned to place the plate on the dining table.

“Mum, we had an agreement that you wouldn’t meddle in my ...