This is an interesting article by Matthew Parris. We are all, with age, aware of the way that our brain developed and continues to develop with knowledge and self knowledge.
We all have that little voice that tells us how we will feel about doing something or missing something. I think with age we learn to start trusting that voice a little more!
As we grow older we deteriorate in many ways, and faster than we like to admit. All our physical capacities decline, mostly from a young age. More of our mental capacity deteriorates, and faster, than we care to acknowledge. Comforting ourselves, we oldies love to reflect that qualities like ‘maturity’ and ‘judgment’ are showered liberally upon us by the passing years, even as muscle and mental arithmetic fade. We bandy words like ‘wisdom’.