a pathological liar.
you can call them a:
li⋅ar -noun
a person who tells lies.
a pathological liar
They also may be called Harrison, Hariytt or HarryTheToilet
Also mohammad safwan lol.
bitter
a dickweed
leave them or sleep with someone else as payback!!!!!
you dont you divorce he or she and find someone that will be honest to you
A chatterbox LOL
impecunious
Someone who laughs all the time can be described as "jovial" or "jolly." They may also be referred to as a "laughing person" or simply as someone with a cheerful disposition. In a more informal context, you might call them a "laughaholic."
Liar,Rebel,loser,Little kid,immature,someone you don't wan't to be with.
Party animal or party doll
A best friend or a soul mate!
That was a terrible question, because you call someone who thinks they are ill all the time a hypercondriac. So as in Jeopardy, "What do you call someone who is constantly under the impression that they are ill?" Answer: "What is an a hypercondriac?" That is correct!
Everyone lies to a greater or lesser extent. No one lies all the time.