In the Sambia tribe, as early as age 7, young boys are expected to “suck the penis of a mature boy every night and swallow the sperm" (I'd make a joke if I wasn't terrified). Boys who refuse are forever treated as children within the context of their community, because “without regular ingestion of male seed, the Sambia believe, boys will never grow up into strong, mature men.” At the age of 15, the boys are considered mature enough to provide their own genitals for the younger boys to felicitate.
Yet another article that explain how polygamy works well. It also cites a study where it shows how: most of people in a poli relationship claim to do it for love, while most of people in a marriage claim to do it for facade. Poli relationships last at least as long as traditional relationships. Yeah!
Serotonin-enhancing antidepressants (such as Prozac and many others) can jeopardize feelings of romantic love, feelings of attachment to a spouse or partner, one's fertility and one's genetic future
"He’s flipping out in a dog park over nothing. Probably because he’s got ..., and a wife who won’t have sex with him anymore." Why does it all end up like this all the time.