We learn to articulate our personal power by saying no.
Feeling my desire to be agreeable, and my fear of rejection, I say no anyway. I learn to be more me.
There is wonder in the myriad of consequences created by responding negatively to requests. There is magic in how life moves forward, without interruption. "No" proves to be less important than we think it is.
Our agreeableness is not that valuable. Assertive and at ease, when I can say no with freedom, I can say yes with ...