This is significantly more than in the smaller neurons, which release 7000 to 10,000 molecules once released. The romantic love and bonding love oxytoxin molecules act differently. When oxytoxin leaves the magnocellular neurons, the romantic love oxytoxin cells it enters the bloodstream and the circulating cerebral spinal fluid, which bathes the brain, Dolan says. Whenever it encounters cells that has oxytoxin in those receptors the adrenal glands, the uterus, the breasts and the brain it binds and activates those receptors