Many Japanese people still wear masks. Some people who do not wear masks are having smiling lessons. They have "forgotten" how to smile because they wore a mask for three years. They want to learn how to smile again. A "smile coach" wants to help people to smile. She said smiling is good for our health.

Smile coaches in Japan are busy. Around 28% of young workers in Japan still wear masks. Just over 67% said they sometimes use masks, and 5.5% never wear them. The smile coach taught 4,000 people how to smile. She said smiling helps communication. It makes people feel positive.