It's not as though we are talking about a defender or a goalkeeper, where middle age can be managed slightly more easily.
This is a guy who was leading the line at 38, at the highest level, against arguably one of the top three centre backs in the world on Tuesday night.
You can't expect more than an hour from the man who practically invented the 'false nine' at 30, but you also have no right to expect to receive the kind of performance that was on display at the Etihad Stadium either.
The world is full of good players, great athletes, accomplished performers on the international stage. And then there are the very few that sit in the pantheon of the gods.
After 22 years at close quarters, there aren't many more words to be said. When you watch him, and it's all those little things with extreme class that catch the eye, no one comments anymore. It's the ultimate in-joke for the real football fan.
The King of Rome
There is quality, and then there is Totti.
How must they feel, in the Eternal City, to know that such a thing has belonged solely to them, and he has wanted nothing more from his career than to be a King for the Giallorossi.
The fathers of our generation, who push time to rush for their sons to grow up and attain footballing awareness so they can do their solemn duty, will remember the days when their boy was fortunate enough to witness such grace and elegance.
Amen, grazie and good luck, Juventus. You're next.