Hi hopeful, manic is not a whole new personality set like DID (also known as Mulitple Personality Disorder) is. Sure it may seem that way, but it's no where close to being the same. And as I do get manic, I don't become a pathological liar either. Mania makes you super happy- to little off the wall crazy, but never into a pathological liar. The only time one might lie about something is to most likely to cover up an embarrasing thing that they did while manic, like over spending, or sleeping with a mistake, or no telling. She must have some other deep rooted issues elsewhere. Sorry sweety, I hope that helped.