How does aging impact psychology?
It impacts positively in terms of experience.
As you grow older and increases the numbers of age or you say numbers of years you spent on this planet Earth you becomes more experienced each and everyday. If you want to clearly check the fact or want to have record of this then I suggest you to buy a diary and write the things what you learnt last year on your upcoming birthday. Then compare your previous year to this one. You you'll notice the difference by your own.
Hope I helped. Happy learning.
Love from India.