Definition of love

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The biological model of sexuality is thought to be a drive in mammals similar to excessive hunger or thirst. Helen Fisher is a leading expert on love.He divides the experience of love into three partially overlapping stages: for example, lust, attraction, and attachment. Lust is a kind of feeling to satisfy sexual desire.Romantic attraction is largely determined by how attractive a person's partner is. There are also other issues such as cohabitation, duty to parents, mutual defense and inviolability. The neural circuits, neurotransmitters, and three behavioral patterns associated with these three romantic styles all play an active role.