Demon slayers in the series "Demon Slayer: Kimetsu no Yaiba" often struggle to balance their personal relationships with their duty of protecting humanity from demons. Some characters, like Tanjiro Kamado, prioritize their family and friends while still fulfilling their responsibilities as demon slayers. Others, such as Zenitsu Agatsuma and Inosuke Hashibira, have different approaches to managing relationships while being committed to their duty. Ultimately, each demon slayer must find their own way to navigate these conflicting priorities and maintain a sense of balance in their lives.