Honeymoon neurochemistry is a key part of the human condition. Most lovers experience the initial phase of pair bonding (the honeymoon period) as intense. This research addresses the neurochemical events that help explain why.
After the Honeymoon: Neural and Genetic Correlates of Romantic Love in Newlywed Marriages
The neurobiology of attraction
Alteration of the platelet serotonin transporter in romantic love
Raised plasma nerve growth factor levels associated with early-stage romantic love
[Pre-honeymoon] Seeing what you want to see: Sexual activation makes potential partners seem more appealing and romantically interested