How do you handle challenging demands from a mother-in-law without causing family conflict, especially when the requests are unrealistic?

Have you ever witnessed someone trying to switch seats in first class and being really pushy about it? How was the situation resolved?
What qualities do you think make a person capable of diffusing a potentially dangerous situation without using force?
How do creators decide which humorous or strange scenarios to include in superhero stories without losing the tension?
Why do family fights often erupt during the probate process, and how can they be prevented?