I've summarized the video:
Indonesia: During the festival, you go to a mountaintop and have sex with someone other than your spouse 7x for good luck.
India: Engage in ceremonial orgies
Niger: Wodabbe men get dressed in costumes and makeup for women to pick a husband if they couple leaves without the current husband knowing they are socially recognized.
Papau New Guinea: Boys at age 7 are removed from women for a decade, drink semen from their elders and ingest large amounts of sugarcane to produce nosebleeds to echo their wives menstrual cycle
Australia: Aboriginal boys have a front tooth knocked out, septum pierced, circumcised & he must eat the foreskin without swallowing then the penis is sliced lengthwise.
Before you watch it keep in mind the two people reporting it aren't always professional but I wanted to share these different practices with you.
Connecting this to my work: The Craving
The craving is an undeniable urge that drives K’Dane citizens to find their life mates—if only to sate their uncontrollable physical longings.
Thrilled at being named a Chosen, Phoenix Dotir leaves K’Dane to become an artist-monk who will create dimensional art capable of changing worlds. Living by the monastery’s Principles of Purity will surely help him overcome the craving. But he never accounted for star chaser Zadra Solav.
Zadra doesn’t believe in rules and makes his own future. Fate separates him from the man he loves, but one touch renders him helpless to his own desires. Bonding with a monk is forbidden, and Zadra’s family sends him to deep space to avoid disgrace. Unable to give up, Zadra must find a way reunite with his Chosen.
Tormented by enforced separation, Initiate Riva Quinton struggles with his vow of chastity and risks all to rescue his lover. Together with his Eros, he stows away on board a star craft to follow his heart.
Four men defy destiny and tradition for love… but their love is a crime punishable by death.
Sex in the Xantha star system:
Song Di Wangan II: monogamy is seen as dangerous.
K'Dane: The craving forces them to search for their mates. Most people are bisexual and polyamorous.
Feri: believes if you are healthy enough and have the time go for it.
Viking Haven: System of lords and slaves enforced and the genders are segregated encouraging homosexual relationships.