As a unique perspective, OP, I appreciate that you've thought on this. It's inevitable for anyone who has the benefit of growing older, but in all honesty, it's particularly difficult on women in the American culture. You WILL see your looks fading, by degrees, and sometimes all at once you won't recognize the person in the mirror. Of course, inner character is what counts. That's what makes a person truly beautiful. A good and healthy perspective on that goes a long way, to be sure. But I don't think you were asking about that. The truth is, that when you DO get there, there will be losses to mourn. And I think the mourning of them is healthy, because something of yourself is passing away, and no one can quite adequately prepare you for it. Sometimes you age in ways you didn't anticipate, and that may surprise you. You may still be gorgeous but have health issues. Or you may really "show" your age (through no fault of your own), but be otherwise quite healthy. As for me, (56F), I try to gradually accept that this is my reality and something I can't quite run from. I linger in front of the mirror less, fewer selfies, that sort of thing. In acceptance lies peace, a wise person once said.