There may be mood swings
He might go through some mood swings. Losing structure can do that to a person. Leaving a salaried job and starting all over can leave a person feeling like the ground has been pulled out from under him. It can lead to existential thoughts, depression, mania, and panic. At his old job, his moods were predictable. He was in work mode, and then he was in relaxation mode. It was that simple.