Occlumency helped control and suppress your emotions, but it was extremely unhealthy to do so continuously, as they would simply fester and eventually erupt and overwhelm you. He stopped occluding and felt rage, guilt, hate and weariness wash over him. While he had lived for centuries in his past life and was jaded, Jon Stark's body and mind were only twenty years old. All he needed was some rest and quiet, and a place to come to terms and deal with all those feelings. Jon knew of a perfect place. He wanted to visit the godswood anyway, now was as good a time as any.