This document outlines 5 important reasons to say "no": 1) Your time is valuable and should be spent wisely doing things that make you happy; 2) You don't need to impress everyone, only yourself; 3) There are only 24 hours in a day so it's important to say no to unnecessary things and people; 4) You are a high priority and should only do things that matter to you; 5) Saying no increases self-esteem and confidence by showing you don't need others' approval. It also offers a free online course on increasing self-esteem.