Interview with Effy Blue. Effy Blue is a relationship expert specializing in non-monogamy and other alternative structures. Effy's coaching philosophy, Relationship by Design, abandons the one-size-fits-all relationship paradigm that is heavily prescribed by our society and instead, advocates conscious and active design of relationships in service of those in it. Effy guides and facilitates this creative process by fearlessly asking the tough questions while constructively offering thoughtful insights.