First of all, in the problem how to connect 9 circles with few straight lines. When I saw the example of how to solve the problem, I automatically made up conditions and got stuck in the problem. There are many simple, creative, and flexible answers and I fully realize the importance of critical thinking. From now on I would not assume the idea useless, and would develop my ability of critical thinking.
Second of all, in the Marshmallow Challenge. I learned the importance of learning from failure. And I think we can say this in the real life as well. When we challenge something, what we need to do is do not afraid of failure and keep on challenges in order to succeed in the end. Repeating