Dealing With A Serial LIAR....

It's time for our Couch conversation..... How do you deal with a serial liar?..Someone you cannot do easily away with? Someone who is spouse,sibling,relative?..How do you handle their lies? Is there a way to go about this and balance the relationship? If it is spouse,did you walk away or stay?if you stayed,how did you handle it?If you walked away,how bad was it? Dealing with a serial liar via IFTTT