Hit the Skids American verb phrase
To begin to decline or deteriorate decline; to get worse very quickly
The company really hit the skids when they couldn't make any profit.
Sarah knew this relationship would hit the skids when she saw his messy room.
To quit; to give up, stop doing something because you know that you cannot succeed; admit defeat
When you experience extreme and undesirable situations, it is probably essential to take extreme actions
The verb "hit" is conjugated according to the tense of the sentence.
Justin predicts that his friendship with Maya will hit the skids if she knows he likes her.
Despite its many source, skid is a word originated from Scandinavian, akin to Old Norse the word skið "stick of wood". Skid has been used since the18th century in order to roll heavy object from place to place and was commonly used by timbers in American West. Skids are laid one after another to form a skidways so that lumberjack can roll wood downhill quickly, hence its meaning. It is this downhill motion that gave the expression the connotation of going into decline
Friendships will develop well and be successful when the friends respect each other's privacy.
You should respect your friend's privacy. A hedge between keeps friendship green.