on social norms.
The rule of modesty or propriety
When, as often happens, they break it defiantly, in order to shock or embarrass others, they are not necessarily being unchaste; but they are being [unkind] uncharitable:
for It is uncharitable to take pleasure in making other people uncomfortable.
I therefore regard the great relaxation and simplifying of the rules of propriety which has taken place in my own life time, as a good thing.
At its present stage, however, it does lead to
that people of different ages and different types do not all acknowledge the same standard, and we hardly know where we are.
While this confusion lasts, I think that old (my mom) or old-fashioned (me) people
Should be very careful not to assume that young or emancipated people (my kids) are corrupt whenever they are, by the old standards, improper;
and, by the same token young people ought not to call, their elders prudes or Puritans whenever they do not easily adopt the new standard.
A real desire to believe all the good you can of others and to make others as comfortable as you can
Will solve most of the problems.
C.S. Lewis, Mere Christianity “Christian Behavior” chapter 15