Try this
- Restate the answer once without adding a new justification to be debated.
- Say whether the subject is closed for the evening or more generally. If practical consequences need arranging, handle those without reopening the declined choice.
A worked example
“My answer is still no. I don’t want to keep discussing it tonight.”
An invented example to adapt, not a real exchange or a script you have to follow.
Before you leave it here
Avoid adding fresh explanations solely because the original answer was not accepted.