So it's just a matter how to adapt to it. If we focus on small negative (to our perception), and there are plenty of it, then all our lives, we will live in misery and complain for anything we encounter.

Lessen the complaining and focus on good thing (how small it might be) and we'll live longer and happier. And it will very evident on your physical looks, you won't look old. Just like you Padre, you are not changing your look because you are a jolly person!