I didn't say it was unique to Christianity. Insaid it particularly prevalent in the evangelical world.
Do you need a dictionary?
The presence of this dynamic also doesnt have anything to do with the validity or falseness of Christian doctrine either.
You're reaching.
The whole point of it being an "unwritten" rule is that it's not written. There's no documentation to show you. Duh. You have to be part of the culture or partnod the church to know.