I would advise the older person to act as they feel.
I think that it is good to have a young mind and courage, even if one is old.
So I will encourage them to show their possibility.
I want to have a young mind when I get old, too. = I would advise the older person to act the way they feel. I think it is good to have a young mind and be courageous, even when you are old. So, I would encourage them to show what they are capable of. I want to have a young mind when I get old, too.