My cousin, who I hang out with everyday, lies a lot and I always know when he's lying because of my memory. He'll say one thing and completely forget what he said a few days, months, even years ago so I always pick up on his lies. It's not that I don't trust him, I just have a hard time believing the things that leave his lips. I rarely call him out on his lies, but when I do he'll have another lie already in place. Maybe I don't trust him if I can't believe him....
Ex: He used to work at Boscov's and for a year straight insisted that he was on temporary leave because Boscov's was hardly getting any business. Ok sis, whatever.
It could be about a movie that just came out. When
Scream 4 was in theaters he swore up and down he saw and said it was great. Black Friday comes, "Oh, I might as well get
Scream 4. I haven't seen it yet."
He tried telling me he had a double life and all this other ********.

Bitch, what? Boy, you don't know what it's like to have a double life, and I know this because no one ever talks about having a double life, least of all to their relatives.
I could go on, but he's my cousin so I have to stop, lol.