只有大姨妈对我不离不弃
        
            [zhĭ yŏu dà yí mā duì wŏ bù lí bù qì]
        
        
            A tongue-in-cheek way to mention periods coming regularly as the only 'consistent' part of life using an endearing term 'Aunt Flow' indicating menstruation as a monthly companion, despite all life's changes.