Twenty minutes of planning is the difference between “that went better than expected” and “why did I say that.” Fill in the situation; the tool assembles an opening, listening questions, a repair line, and a boundary you can hold.
One sentence. Specific.
What you'd be happy with — not ‘they agree with me.’
Steel-man it. The smartest version of their view.
Where you contributed.
A non-negotiable, named in advance.