It is a sore point because you do have advantages if you have access to more than one language. You also have problems because on bad days you don't trust yourself either in your first or your second language and so you feel like a complete halfwit.
The betrayal of trust carries a heavy taboo.
Let's say a Soviet exchange student back in the '70s would go back and tell...
Deciding whether to trust or credit a person is always an uncertain task.
Espionage for the most part involves finding a person who knows something...
Divorce these days is a religious vow as if the proper offspring of marriage.