I mean, it's not considered proper to go around telling people, even nice girls you sleep with, that you're a secret agent.
"It was not considered proper for girls to study science," she said.
It is also considered proper to use the "polite" language when praying.
Gabriel held Sarah longer than considered proper before dropping his hands.
"It is considered proper for the couple to have some time to acquaint themselves with each other."
It was considered proper to eat all enemies killed or taken in war.
Pouring the milk first was once considered proper and showed class distinction.
The young lord did so with rather more ardor than society would have considered proper.
There it is considered proper to make a joke of everything.
In our society it is not considered proper for such a person to be alone with an older man.