（管理学）对一个领导而言容不容易改变他的首选领导风格？（最好用英文回答）

I think it is easy to do if I know my leader's charatcter.But it may take a long time.Here is my advice.
First I will try my best to do my work,it may let my boss know that I want to make contribution for my company.Therefore,I will give my boss a good impression.Then he will put an eye on me.Also he may leave I some difficult work to do.It is a good chance to get close to my boss.I can ask boss for help as a shool student.And he will happy to give me a hand as an economist.By this way,he will think I am eager for knowleadge.And we will help each other like this way.After several years,he will treat me as a good friend.It is not only because I am his employee,but also a partner.(If your boss is a middle age man,it will be very useful.)
Second,I should spend much time on taling with my boss.So we will know more about each other.However,I must keep an good attiude and respect my boss.And after a long time,he may talk about the future of the company with you.(It all depen