When is enough, enough? Make sure that you can understand when you ask for too much or you push the limits too far. It's during those times that you can appear self-centered and greedy, Which are both traits that are not considered favorable. The people that know you best should tell you or would hopefully tell you when you're acting this way so you can course correct. Make sure that you surround yourself with people that will give you honest feedback and help you understand when enough is enough. After all,It's the right thing to do and it models the way for others.