Corrina's actions and her revelations, cough, interviews may have helped it along. She has not gone into hiding and appears to serve as a special advisor to the princely couple, in Monaco.
Perhaps he will do as his grandmother did and move to the South of France to live out his years. He certainly has friends (Albert) and now Corrina there.
His judgment has been impaired either by age or illness. This is what is best for Spain. Felipe has much better judgement and seems a much better spouse and father. It is time for the house cleaning to begin.