The document discusses the importance of assertive communication and setting boundaries. It states that saying "yes" when you want to say "no" can lead to feelings of being taken advantage of and resentment. Assertive communication is presented as a healthy alternative that respects one's own needs while also considering the feelings of others. It involves being able to say "no" or ask questions respectfully. When used, assertive communication can empower people and help them feel in control of their lives.