The chapter delves into various experiments and studies related to the interpretation of flirting signals, decision-making under arousal, and facial expressions. Discussions cover topics such as how men interpret cues from women's attire and expressions, reactions to erotic fiction, and the impact of sexual arousal on cognitive processes. Experiments involving participants choosing flirtatious individuals and measuring decision-making times based on sexual stimuli are explored, along with debates on interpreting facial expressions like flirty smiles.