(Sounds a little heavy on the pheromones if you ask us.) #2 Among the Kreung tribe in a remote region of Cambodia, parents build a "love hut" for their daughter when she reaches her mid-teens.
Different boys spend the night in the hut with the girl sometimes more than one in the same night until she finds the one she wants to marry.
Middleton makes sure to tell about Greenland's history, the interactions of various Congo tribal groups, missionary work among the Papua tribes and social relations in the desert.
They have worked with one tribe, the Suruwaha, for 20 years.
Mr Suzuki, the founder of a campaign group called Atini - Voice for Life - said: "We are fighting against doctors and anthropologists who say we must not interfere with the culture of the people."Such attitudes are exemplified by Dr Erwin Frank, an anthropology professor at the Federal University of Roraima State in the Amazon.
Babies who are girls, who have some disability or who have unmarried mothers are all in danger of an early death in a shallow grave in the rainforest.
Others are suffocated with leaves, poisoned or simply abandoned in the jungle.
"The question seems rather strange when you think about it.
But then again, its oddity pales next to courting rituals common in other parts of the globe.Life's Little Mysteries has compiled a list of some of the strangest traditions that exist to help love take first flight.#1 In rural Austria, it's not chocolate bon-bons that are the way to a lover's heart; it's apples soaked in armpit sweat.At the same time, family anguish over infanticide has led to many adult tribal members committing suicide.Attempts to change tribal attitudes and counter official indifference are being led by a Brazilian couple, Marcia and Edson Suzuki.Nick Middleton sets out to visit for a brief time some of our planet's harshest environments and share with his reading public how people manage to live there every day of their lives.