In "Anatomy of Love," you divide love into three varieties: lust, infatuation and attachment. Are they really so distinct?

Lust -- or the drive for sexual gratification is associated with lots of testosterone in the brain. Males especiall younger ones think of sex every few minutes. While it's mainly a biological drive for males many times it's the beggining of-

Infatuation or passionate love --that elation, that euphoria is associated with dopamine and norepinephrine, which are natural stimulants. This type of love becomes emotional, physical and mental. Many marriages are based on this type of love but since it's not long term should we trust our children to it? We have changed from a monogamous socity to a serial mongamous society, the first step in our cultural evolution to a poly socitey. In today's world where everything; technology, culture  and individuals changes so quickly - only half of the people progress to the next stage. 

Attachment or that sense of calm and security that you feel with a long-term partner is associated with different chemicals, basically oxytocin and vasopressin. SALON | Feb. 4, 1998  Tracy Quan is a frequent contributor to Salon. 
This is simular to arrange marriges of India or long time friends getting married. Which is alosthe type of love I'm looking to develop with many women in a large family stucture