Biological basis of love

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Part of a series on Love Types of love Affection Bonding Broken heart Compassionate love Conjugal love Courtly love courtship troubadours Falling in love Friendship cross-sex romantic zone Interpersonal attraction Interpersonal relationship Intimacy Limerence Love addiction Love at first sight Love triangle Lovesickness Lovestruck Obsessive love Passion Platonic love Puppy love Queerplatonic relationship Romance Self-love Amour de soi Unconditional love Unrequited love Social views Anarchist Free love Patriotism Chinese Ren Yuanfen French Amour-propre Greek words for love Agape Eros Ludus Mania Philautia Philia Philos Pragma Storgḗ Xenia Indian Kama Bhakti Maitrī Islamic Ishq Jewish Chesed Latin Amor Caritas Portuguese Saudade Yaghan Mamihlapinatapai Concepts Color wheel theory of love Bhakti yoga Biological basis Love letter Love of Christ Love of God in Christianity Love magic Valentine's Day Philosophy Religious views love deities Mere-exposure effect Sacred Heart Similarity Physical attractiveness Triangular theory of love v t e

The theory of a biological basis of love has been explored by such biological sciences as evolutionary psychology, evolutionary biology, anthropology and neuroscience. Specific chemical substances such as oxytocin are studied in the context of their roles in producing human experiences, emotions and behaviors that are associated with love.