J. G Patterson, A Zola Dictionary; the Characters of the Rougon-Macquart Novels of Emile Zola…
“ When she was quite little she had loved Jacques Lantier, and now it was to him alone she would have given herself. Jacques did not care for her, however, and she came to know that he had a mistress, Severine Roubaud. Convinced of her own right to be loved, for she was stronger and handsomer than the other, the girl was tortured by jealousy; and each Friday, as she saw the express rush past, bearing the two lovers to Paris, was seized with an imperious desire to end everything, and by causing their death prevent them from passing any more. ”
