The rise of Artificial Intelligence (AI) has led to a new era of human-AI collaboration, blurring the lines between work and personal relationships. This paper explores the concept of "affair" in the context of human-AI interaction, using Peach Media AI as a case study. Through a qualitative analysis of user experiences, we investigate the emotional connections and attachment that develop between humans and AI systems, leading to a deeper understanding of the psychological and social implications of AI integration in our daily lives.