Lesson
1 Rchilut is not allowed even if all the details of your narration are
true. E.g. "but i heard it myself. That’s exactly what s/he said about
you".
Lesson 2 The most serious type of rchilut is the type
that causes two people who have been close friends to dislike each other.
--- Rchilut = Reporting to others what someone has done or spoken
against them.