Dave tells Lydia that he has fallen in love with her, and although Lydia returns Dave's affections, she tells him that his feelings stem from his dependence upon her for help with Gus. That night, Dave comforts a frightened Gus by allowing him to sleep in his bed, and, realizing that he no longer needs Lydia for instruction on child care, confronts her with his new knowledge.
Dave informs Lydia of his love, but she explains that his feelings are due to his reliance on her to help Gus. That night, Dave comforts a scared Gus by letting him sleep in his bed and realizes he no longer needs Lydia's assistance for child care, leading him to confront her about this new insight.