The Fickle Pickle - Kartes News
If you describe someone as fickle, you disapprove of them because they keep changing their mind about what they like or want. Likely to change, especially due to caprice, irresolution, or instability; Casually changeable.
She's so fickle - she's never been interested in the same man for more than a week! The world of popular music is notoriously fickle.