No matter what age you are, or what you do, your mindset and attitude towards ageing in fitness is and always will be your mindset. Without it being the leader you will not develop the habits and attitudes it takes to decelerate the rate at which you are ageing.
I am a Scot. We are down to earth calling a spade a spade. However, my spade can dig anything it wants.
Did you know you have 3 brains? Depending on how you think about your life will depend on which brain gets the biggest blood flow to it.