Who is Cersei Lannister?

Happy or unhappy, Dreamer Cersei in her childhood with the blue prince, superstitious and knowing herself unhappy for the rest of her life, seeks the opportunity to be happy, plays the erotic, having sex with her brother and many more with no apparent success, Promised to royalty, fails to associate love and her reality, unhappy again and again, is with whom she does not want, giving birth to her brother's children, frustrated, letting herself be carried away by premonition, dragging her surroundings, love for her children, hatred By her younger brother, is slowly consumed in the pain of loss, and insecurity pushes her to fight for a throne that will not make her happy ... ..