You had nothing to offer to her. All this is not to say that you are an easy person to live with or that you are devoid of grandiosity, mildly sadistic vengefulness and so on. Tired People are tired. They carry their lives like trash bags to be disposed in a city without bins. Communicating with people is sharing trash - rarely an uplifting experience and always a boring one.
Sex is a mode of communication.
That it is scentuous. That it is rich and varied. That it represents an investment in a binless future. But it is a charade. A willing self-abnegation.