Which statement best reflects oxytocin's function in Fisher's model of romantic love?

• A. Oxytocin strengthens pair-bonding and attachment after intimacy
• B. Oxytocin is the main driver of initial romantic attraction and obsessive thinking
• C. Oxytocin directly causes an increase in aggressive mate-guarding behaviors
• D. Oxytocin's main role is to increase general arousal and sexual performance

Answer: (A)