The Molecule of More: How a Single Chemical in Your Brain Drives Love, Sex, and Creativity―and Will Determine the Fate of the Human Race

by Daniel Z. Lieberman

When the H&Ns take over in the second stage of love, dopamine is suppressed. It has to be because dopamine paints a picture in our minds of a rosy future in order to spur us on through the hard work necessary to make it a reality.