Each couple represent one or two charities of their choice.
"I came out of the selection process for finalists feeling that only a couple of the five books represent my tastes, preferences and standards."
The couples represent three poor countries, three average income countries and two rich countries.
Unmarried couples represent 9 percent of all unions, up from 6 percent a decade ago.
To Gary, the young couple apparently represent the lost children of the world in search of happiness.
These four young couples represent today's youth that are hard working and will not leave any stone unturned to achieve their goals.
Older married couples who have settled for intimacy without intercourse may represent a fairly wide population, experts say.
The couple represented Poland until 2011, representing England from then on.
It is theorized that the couple may represent the primordial ancestral couple from which a group claimed descent.
It is important to note that the couples studied did not represent a clinical sample where manipulation had become a problem.