the Byers remorse
An individual experiences the "Byers remorse" when, after having loudly proclaimed to his friends and acquaintances that he will no longer have sex with unnatractive women, he proceeds to have sex with unnatractive women and then loudly proclaims his regrets to the aformentioned friends and acquaintances.
Did Billy bang that Hippo last night? I smell a case of the Byers remorse.