Get a first draft done so you can type “the end” instead of getting stuck halfway through and never finishing it. You can always go back and fix what you’ve written. But you can’t fix a blank page.
When “older” women color their hair it often looks unnatural. Your face, your body, your neck, your hands, everything else gives you away. You’re old-er. Perfectly blond or red or brunette hair sometimes doesn’t look quite right because you should be gray or white or a bit of both to match your face and your body.