Article in English: Find out who you are and be happy with that person. There's no one way to be a man. A 'real' man can be a logger who wears plaid and doesn't shower for 10 days; a 'real' man can also be a professor who talks about Milton and Shakespeare. All men, however, know who they are and respect themselves in and out. It doesn't really matter what it is, but you should consider yourself pretty familiar with one area of expertise. Men may not know or want to use fancy, two-dollar words, but when it comes time to getting things done, they know how to act. They use their smarts to get it done. What area of expertise do you know? Here are just a few areas you might consider diving into.  General knowledge. You're the jack of all trades. You could win a pretty penny on Jeopardy! if you cared at all about being on TV. You know the difference between participles and parts of speech, pterodactyls and pterorhynchus, and a $99 suit and a $6,000 suit. History. Increasingly rare, the man who's a student of history gives himself the benefit of a very wide lens when contemplating problems: he can draw on Roman artillery strategy, Cold War negotiating tactics, and obscure French economic policy, among others. He knows that history isn't just about preventing the mistakes of the past from happening in the future. Women. Some men turn the opposite sex into a field of study. If you want to be knowledgeable about women, be prepared to make mistakes and learn from them. There's nothing worse than a man who thinks he's God's gift to all women, but who's stubbornly insulting, cavalier, and clueless. Note that this does not apply to all men and that such stereotypes like "being a lady's-man" are not only out-dated, but also presumptuous. " There's nothing wrong with making a mistake. Only the insecure man thinks that making a mistake is bad, because he's not comfortable with who he is in the first place. Confident men know when they're wrong and aren't afraid to admit it. Learn to say "I'm sorry" in different ways. Men know that saying...

Summary in Vietnamese:
Hiểu rõ bản thân. Hiểu biết về một điều nào đó. Biết rõ khi phạm sai lầm và khi cần phải nói "Tôi xin lỗi". Hiểu rõ mật mã của đàn ông. Loại bỏ suy nghĩ hoặc thói quen tự hủy hoại bản thân.