This document discusses assertiveness and how it is an important skill. It defines assertiveness as choosing behavior that balances one's own interests with respect for others in order to reach a win-win situation. Assertiveness has three phases: speaking up, opening up, and standing firm. The document also contrasts assertive behavior with aggressive behavior, which does not show respect for others, and sub-assertive behavior, which prioritizes others' interests over one's own. Benefits of assertiveness include feeling good about oneself, clear communication, and reducing stress.