Foundations of relational health: building resilient relationships -- Security and connection: the heart of relationship resilience -- Integrity: the North Star of relationship resilience -- Power models: compassion versus control -- Systems: the dynamics of our relationships and the germs that infect them -- Differences: understanding and navigating dissimilarities -- Unraveling conflict: principles and tools for conflict prevention and management -- Effective communication: practical skills for successful conversations -- Change: strategies for acceptance and tools for transformation.