Humbert's diary and obsession

Humbert begins a secret diary, recording his obsessive lust for Lolita. He watches her from windows, notes her every movement, and fantasizes about possessing her. He describes her as a nymphet and analyzes his own perverse desires. He is tormented by her presence and the impossibility of acting on his feelings, especially with Charlotte constantly nearby. The diary entries detail his growing obsession and his frustration with the obstacles in his way.