Throughout the day, Teresa struggles to accept Thomas's reassurances and maintain her happiness. Despite her efforts, a deep-seated jealousy wells up inside her, intensifying in her dreams, which often leave her distressed and crying until Thomas wakes her. These dreams replay her fears and insecurities as if they were episodes of a troubling series, highlighting her inner turmoil.

One recurring nightmare features a menacing creature attacking her, symbolizing her feelings of inadequacy and fear of other women. In Czech, "custody" can mean an attractive girl, and this connection amplifies her anxiety. Teresa feels threatened by the idea of other women vying for Thomas's affection, which makes her perceive them all as substantial threats to their relationship.