My brother had an ex-girlfriend who was the same, always spinning a different version of her life. Another friend briefly shared a house with her and discovere

My brother had an ex-girlfriend who was the same, always spinning a different version of her life. Another friend briefly shared a house with her and discovered that she kept two diaries. One detailing the things she had done - and the other detailing what she said she had done. To be a good liar you need a good memory.