It's bad to be toxic.
Ray and Cindy are divorced and share custody with the children, and Ray wants to have the children for an extra day during one weekend.
Cindy wants to get equal time with the children.
Cindy works with Ray to find a compromise where she gets an extra day.
Cindy refuses Ray's request and completely refuses to negotiate with him about it.
Both Cindy and Ray are happy and get equal time with the kids.
Ray becomes jaded with Cindy's lack of cooperation.