Saying no sounds easy, but in reality, saying no is one of those ninja level adult skills that many of us struggle to master. Most of us have learned to say yes to things when we really want to say no. When you’ve spent your whole life laboring under the assumption that saying yes and making other people happy is the only way to get your needs met, you’ll probably say yes to just about anything in order to keep the peace and feel like you’re a worthy human being.