Because I couldn't solve the problem which my student asked me how to solve, I begged him to solve the problem.
Then, he was easily able to solve it in a few minutes.
When we consider that he is 5 years younger than I, I realized how wise he is.
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Because I couldn't solve the problem which my student asked me how to solve, I begged him to solve the problem.
Then, he was easily able to solve it in a few minutes.
When we consider that he is 5 years younger than I, I realized how wise he is.