This question cannot be generalized. Although East Asian countries (such as China, Japan, South Korea, etc.) do generally have cultural traditions that attach more importance to education and academic achievement, it is an over-generalization to say that "all" East Asian countries have a "high-pressure" learning environment or that all children "lose happiness." The actual situation is more complicated： 1. There are differences in the degree of educational stress in East Asian countries. Even in the same country, the situation of different regions and different families is different. 2. After realizing the problem of educational pressure, many East Asian countries are implementing educational reforms to emphasize quality education and reduce the burden on students. 3. Learning pressure and happiness are not absolute opposites. Many East Asian students can also find fun and a sense of accomplishment in their studies. 4. Individual differences are great, and some children can maintain mental health and a positive attitude even in a more stressful environment. This issue requires a more balanced and diverse perspective and avoids cultural stereotypes.