Do not think or believe you are ever too old to be taught by others or to learn something. For even a child can teach you something. So, if you lack understanding? Seek it. And if you lack wisdom? Search for it. Only a fool allow their pride to get in the way of self-growth.
Saying “I love you” and “I love you” means nothing if you can not back up your words. Saying it only does not make it so. For ones actions speaks louder then any words. So, in the words of a great teacher “Show not only tell” a person you love them,