You walk into a room and forget why you went there. You open your phone and stare at it like it owes you money. You start a sentence and halfway through your brain packs a suitcase and leaves the conversation. Beautiful woman, welcome to one of the most frustrating and misunderstood symptoms of perimenopause: brain fog. And no, you are not “losing it”. You are not becoming lazy, careless or dramatic. Your brain is responding to real changes happening in your body.