#3 Insatiable hunger

When the stomach is full, we usually stop craving for food. When everything digests and exits the body, we are back to feeling hungry again. It is just about how quickly we are able to burn down the food.
For some, the metabolism rate is slower while for some others, it is just hyper-fast. Cristiano Ronaldo, in a footballing sense, falls in the latter category. No matter how many trophies he wins or how many goals he scores, he is always hungry for more.
His perennial hunger makes him unbelievably diligent and allows him to keep improving even after winning everything possible for a footballer. The only thing that remains for him is to win the World Cup, but even if he does win that, that hunger will never go.
And that hunger is what still keeps him as the best in the world.