Someone who lies almost anything, even the smallest things.
Compulsive lying is when you cannot stop lying, so you lie almost whenever you can.
Stop lying!
A dizzy devotee.
An oniomaniac is a person who cannot stop shopping.
A person who lies once is a person that will continue to lie. Chances of him ever stopping lying are slim to none. The most important thing in a relationship is honesty, if you don't have that then you will never be able to trust him ever.
Call the police
A kleptomaniac.
You cannot stop someone from being in love with someone else, that is scientificly proven. She might stop liking that person if that person did something horribly bad, but even then that sometimes cannot stop a crush.
An Addict.
No!!
Because he's a liar? Just stop talking to anyone like that.
It is inertia that keeps you going.