On writing in loops and thinking deeper

The  thing is that I seem to be getting into a rut. Somehow, the stories are looping, circling again and again around the same themes - broken relationships, broken trust, realism, disconnected faith and being lost.

It always comes back to broken dreams, and the unexpected happenings, which throws the protagonists into a spiraling circle of depression. And depression is the long recurring theme in all my 'realistic' stories. My fantasy stories have tortured protagonists, and agony, but...