And because nothing's wrong enough to mention, you handle the pieces one at a time. A coffee for the energy. An early night for the tiredness. You tell yourself the rest is just life right now.
But the energy, the flatness, the lost interest, even in things you used to want, tend to move as a set. They're not separate faults to fix. They're one tank running low, showing up in whatever you lean on most that day.
For a lot of women, that's also when the body's rhythm is quietly shifting, somewhere in your late thirties or forties. It's real, and it isn't a personality change you're meant to settle into.