I think the fall from grace is insinuating the time when he fell in love with his former girl friend, who looked like the lady writer on the TV, but was nothing like her. The lady writer had all the brains and the beauty. And that picture did not fit with the former girlfriend who just looked like the lady writer, but that's where the similarities ended. Seeing the lady writer on the TV reminded him of the horrible time he had when was with the former girlfriend at a different time and a different place. So he recalls his fall from grace.
I think the fall from grace is insinuating the time when he fell in love with his former girl friend, who looked like the lady writer on the TV, but was nothing like her. The lady writer had all the brains and the beauty. And that picture did not fit with the former girlfriend who just looked like the lady writer, but that's where the similarities ended. Seeing the lady writer on the TV reminded him of the horrible time he had when was with the former girlfriend at a different time and a different place. So he recalls his fall from grace.