All good things do,sadly, come to an end.
The sadness is that he has lost his heart for it. On the other hand, he might just be acting.
He is an astoundingly versatile actor - who has been at the top of his profession for over fifty years and could probably do another fifty without stopping to catch a breath.
Given the nature of the business, that is a phenomenal accomplishment.
Yes, postman, it might be a TRICK! Let us hope.