A sense of self isn’t just about identity or personality. It’s also about predictability — knowing, more or less, how you think, feel, and respond. In perimenopause, internally, something feels off — less steady, less familiar, harder to rely on.

If you’ve been forgetting words, losing your train of thought, or feeling mentally “foggy,” you’re not imagining it — and you’re certainly not alone. One of the most surprising symptoms of perimenopause isn’t just hot flashes or mood changes.