Learning how to be helpful is one of the most essential things in our career. Every organisation or business needs helpful people. They are their bones and muscles.
This is not an easy problem, however, solution lies in an altered view and thinking on how to actually be helpful and what it really means. Desire to be of assistance probably lead you to this article, so you already care about it enough. You probably want to be helpful to someone you care about, or need something from them. Being helpful is the best way to show it.
Having that kind of personality will always put you in a better position comparing to others.