Love

===Comparison of scientific models===
Biological models of love tend to see it as a {{clarify|text=mammalian|reason=why should we expect other classes of animal not to have hunger or thirst?|date=August 2023}} drive, similar to hunger or thirst.<ref name="Lewis"/> Psychology sees love as more of a social and cultural phenomenon. Love is influenced by [[hormone]]s (such as [[oxytocin]]), [[neurotrophins]] (such as [[nerve growth factor|NGF]]), and [[pheromone]]s, and how people think and behave in love is influenced by their conceptions of love. The conventional view in [[biology]] is that there are two major drives in love: [[sexual attraction]] and [[attachment theory|attachment]]. Attachment between adults is presumed to work on the same principles that lead an infant to become attached to its mother. The traditional psychological view sees love as being a combination of [[companionate love]] and passionate love. Passionate love is intense longing, and is often accompanied by [[physiological arousal]] (shortness of breath, rapid heart rate); companionate love is affection and a feeling of intimacy not accompanied by physiological arousal.