In "Tokyo Revengers," the characters navigate the complexities of love and relationships through various experiences such as heartbreak, betrayal, reconciliation, and growth. They often struggle with communication issues, trust issues, and conflicts with their emotions and past histories. The characters learn to confront their feelings, communicate openly with their partners, and understand the importance of trust and respect in relationships. Additionally, they often find support and guidance from their friends and allies as they navigate the ups and downs of love and relationships in the series.