等你老了连大姨妈都不要你
[dĕng nĭ lăo le lián dà yí mā dōu bù yào nĭ]
This is an exaggerated and colloquial expression indicating that the person may feel neglected or unloved as they grow old. '大姨妈' (Dayimma) here refers to Aunt Flo, which is a slang term for menstruation.