And this habit of expecting trouble rather than joy, hindered her from having any persistent belief in opposition to the probabilities which were not merely suggested by Hans, but were supported by her own private knowledge and long-growing presentiment. An attachment between Deronda and Mrs. Grandcourt, to end in their future marriage, had the aspect of a certainty for her feeling. 
And this habit of expecting trouble rather than joy, inclined her to believe in the probability of an attachment between Deronda and Mrs. Grandcourt, and the certainly that they would marry. 