Wash (one's) dirty linen in public American British disapproving phrase
Used to describe someone who shares with the public his/her private problem.
You can't gain trust by washing your dirty linen in public, you're just bothering other people.
If someone asks me about my past, I will say nothing at all. I don't want to wash all my dirty linen in public.
1(n) A person who talks a lot and tend to tell secrets
2(v) To tell secrets to other people
The verb "wash" should be conjugated according to its tense.
This expression is originated in France.
People tend to like forbidden or illegal things just because they are forbidden or illegal.
He must have believed that stolen fruit is the sweetest, and he, therefore, cheated on his partner.