This phrase is one I’ve heard or said as long as I can remember! And the words and its meaning reflect the crux and cause of many interpersonal disputes.
There are various ways of processing the meaning of this phrase when you think about it. ‘Say what you mean’, for instance, typically arises in a dispute or can lead to one when we (or the other person) are perceived as being indirect, not clear, holding back, passive-aggressive and other ways of interacting that triggers the other person. And ‘mean what you say’ often comes up when someone is perceived as insincere, phony, dishonest, and other such characteristics.
The phrases said together, as they often are, are doubly loaded with the above perceptions and can initiate or exacerbate a dispute. Being honest seems to be the underlying message and honesty is often difficult at times we are fearful, upset and confused. Also, when we don’t feel safe to tell the truth, we won’t. Fear will keep us from saying what we mean or what we are thinking and that clearly creates a dynamic that is difficult to resolve
Considering this phrase then (‘say what you mean and mean what you say’), and its possible relevance to a situation you are in, the following questions may help to facilitate a deeper dive to uncover the impact of the conflict dynamic and the resolution of this matter: