There were moments when Mabel grew quiet and seemed as though brooding over something. Her face would become sad, and only brighten with a gayety that seemed a little forced, when she saw that he was studying her and seeking to learn what troubled her. At times she would cling to him as though she feared he was to be taken from her. Once or twice he questioned her, but she laughed his fears away and declared that there was nothing the matter. Despite her denials, he remained vaguely uneasy.