When Ben was 11 years old, his parents noticed that his grades dropped. He stopped talking about school. On Sunday evenings, he often complained about stomach aches and begged his mom to keep him home the next day. “These are all typical signs there might be a bullying problem,” says Bettina Dénervaud, co-founder of the Swiss initiative Hilfe bei Mobbing, which translates as “Help with Bullying.”