Graham

Of course you can! Vasopressin, vasopressin receptors, and the reward pathways of the brain! (the ventral tegmental pathway) http://en.wikipedia.org/wiki/Vasopressin Neurotransmitters like serotonin which provide your motivational and positive thoughts associated with the male/female also play a role in love related experience. Though, 80% of your serotonin is involved in gastrointestinal tracks...oddly enough. If you mean sexual pleasure, that would be Oxytocin! http://en.wikipedia.org/wiki/Oxytocin