Answer:
Unknowingly play relationship games.
Explanation:
Susan's family members play a major argument whenever they prepare for the major events. Her family has major argued at the preparation of events preceded in the family.
After events, they all show and try to prove their love and care for the family. It occurs even when someone in the family is not feeling good. They have a bad feeling even they have to show this type of care and love. So when Susan repeats this pattern the same with her boyfriend. This is an example Unknowingly play relationship games.