Marriage expert John Gottman found four behaviors sure to sink any relationship. He called these the Four Horsemen of the Apocalypse. Further, Gottman felt confident he could predict which couples would divorce based on how they handled conflict and whether the Four Horsemen were present. Detail his research, starting with a brief biography on Gottman. How did he get into this field of study? What made him so successful? And lastly, do you agree or disagree with the presence of these behaviors? Explain.