when he spent those long years in prison for something he didn't do, ever went back over the events that had happened to him; trying to second-guess himself. "Maybe if I had told her..." or "Maybe if I had done x with my brothers...."
Even when he was second only to Pharoah, he still felt the rupture from his birth family. "Joseph named his firstborn Manasseh and said, 'It is because God has made me forget all my trouble and all my father's household.'". (Gen 41.51)