Chapter

The Different Chemical Systems Associated with Pleasure
The primary chemical systems associated with pleasure are the dopamine system, related to the anticipation of pleasure and the required effort to achieve that pleasure, and the serotonin system, related to the experience of pleasure. While dopamine's role in pair bonding is unknown, increased dopamine levels are associated with high levels of passion and can help buffer the pain response.
Clips
The two primary chemical systems associated with pleasure are the dopamine system, which is responsible for anticipation, and the serotonin system, which is more closely related to the immediate experience.
1:45:27 - 1:52:03 (06:36)
Summary
The two primary chemical systems associated with pleasure are the dopamine system, which is responsible for anticipation, and the serotonin system, which is more closely related to the immediate experience. While the exact role of dopamine in pair bonding is unclear, the release of the chemical during new relationships can help buffer pain.