The Third Elements in Relationships

When masculine and feminine energies do come together that the third element that's created perhaps is something that is life giving rather than destructive or maybe it needs to be destructive I'm not sure but this is just what circling around in my head right now. In psychoanalysis you always work with the triad again here's which different from psychology psychology doesn't work with sort of mental images to say we do in psychoanalysis the third is always present there's always a third presentEverything you do as a couple or with a friend or whatever there's always third present if I'm hanging out my best friend Victor then certainly women are the third. When we get married man and woman don't marry each other to