SelfAdjoint is currently on vacation until the 13th, alleviating concerns about his absence. Along with Zoobyshoe and Tribdog, he has been humorously mentioned as exploring the idea of a flat Earth. The discussion highlights the community's interest in his return and what topics to discuss upon his return. Participants express relief that he is safe and simply away. Overall, the thread reflects camaraderie and curiosity about SelfAdjoint's activities.