What can be inferred about east egg rules regarding extramarital affairs from this section?

In East Egg, extramarital affairs are seen as scandalous and unacceptable behavior. Society in East Egg values appearances and upholding social standards, so engaging in extramarital affairs can lead to ostracism or social consequences for those involved. The rules regarding extramarital affairs in East Egg are strict and breaking them can result in being shunned by the community.