Ego, What is Ego? Options

As a person, I have a big ego. I want to win at all costs. I want this and that. I simply want to have it my way. I want the cake and the icing too. I am spoiled and always want to take more than I give back. Is this an example of an Ego?

My ego boost me to gain riches, health, love and many other conquests.
My ego also make new enemies, destroy and corrupt various aspects of me and my environment consciously and subconsciously.

What is EGO? What does this word means?
How do you define it? How do you keep it your slave instead of it enslaving you?
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And punching someone back is kind of stupid (revenge never really works unless you're thorough).

Thats where you are wrong. If you don't punch back, the people that punched in the first place will remember that you don't punch back. result: you will get punched more often.

Here in my country, in the newspaper was a story.
A postal worker got picked on by his co workers. It was so bad for the man that he stayed home from work. In the end he killed himself because he could not take it anymore.
I would have just responed agresivley at one of my coworkes.
Perhaps you and me are beyond the law of the fittest and strongest and can simply get along, however 95% of society still runs on that ancient law, and they all bow down to it.

In the postal worker case, I would verbally stand up for myself and tell them to stop. This has worked quite well for me, folks call me a bitch or intimidating, but oh well LOL. Of course I might hex the ringleader of the harassment at work as well. This is what works for me. There is also the more peaceful approach of ignoring it, this also works for many people. Kicking the coworkers would also work for some people (yet get them fired) I think that the guy who killed himself was not taking the approach that worked for him in particular. I figure one should take tha approach that they are the happiest with all in all. It is when we don't follow our natural inclination that we are miserable.
My 25 cents (IMG:style_emoticons/default/gathering.gif)

Athena