What are the possible repercussions of confronting a pathological liar- Are they likely to start spreading lies about you?
No, as a man myself I don't think he will start a one-man smear
campaign against you. That sort of thing takes a lot of energy to
maintain, and pretty soon those on the listening end will get
pretty tired of his act. The people who care about you will not be
swayed by a man who does that sort of thing, and those that might
be influenced can be crossed off your Christmas card list with no
What you need to do is find a peice of information about him that
you know he does not want anyone to know about. Don't confront
direct but keep dropping cryptic hints and allude to the evidence
you heard or know of. No matter how he denies or blatantly lies on
top of it.
This will accomlish several things.1) he will fear you. 2) he
will stay away from you 3) It will neturalize him. He will still
deny it all but isn't as likely to seek vengeance or humiliate