Dothraki men only cut their braids when they are defeated in battle, to show their shame. Each time they kill someone of note, they add a bell of gold or silver or bronze (I: 30, 670)
The Dothraki believe that everything important in a man's life should be done under the open sky (I: 82)
When a khal marries, he most present his new bride to the dosh khaleen at Vaes Dothrak (I: 83)
Weddings begin at dawn and end at dusk, an endless day of drinking and feasting and fighting (I: 83)
Sitting beneath the khal's bloodriders is a place of honor (I: 84)
All dishes are served first to the newlywed pair, and then whatever they refuse is offered to the rest of the participants at the wedding feast (I: 84)
Women with veils of crimson and yellow and orange dance to drums at wedding feasts, and warriors may take them before the watching khalasar freely. If two men take the same woman, they fight to the death (I: 84, 85, 672)
A Dothraki wedding without at least three deaths is seen as a dull affair (I: 85)
After bride gifts are given, and the sun has gone down, the marriage is consummated (I: 85)
The bride receives three traditional gifts: whip, bow, and arakh. She refuses them with traditional words, and the husband takes them (I: 86)
A khaleesi must ride a horse worthy of her place by her khal (I: 87)
It is the Dothraki fashion to use sand to cleanse oneself clean (I: 144. III: 649)
The Dothraki are unsentimental. They do not name their animals (I: 192)
A man who does not ride is no man at all, honorless and without pride (I: 194)
Khalasars leave deformed newborns behind them for feral dogs to eat (I: 272)
Carts are used only by eunuchs, cripples, women giving birth, the very young, and the very old (I: 323)
The horselords do not trade. They accepts gifts, and give gifts in return, but they do so in their own time (I: 325)
Shedding blood or drawing a blade is forbidden in Vaes Dothrak (I: 327)
Even warring khalasars put aside their feuds and share meat and mead together when in sight of the Mother of Mountains (I: 327)
Every khal has bloodriders, men who are guards, brothers, shadows, and friends to him in ways that run deeper than the oath of the Kingsguard to the king (I: 328)
Bloodriders and their khal name each other "blood of my blood" (I: 328)
Tradition holds that bloodriders die with their khal to ride at his side in the night lands. If he died at the hands of enemies, they live only long enough to avenge his death and then follow him joyfully into the grave (I: 328)
In some khalasars, the bloodriders share the khal's wine, tent, and even his wives, but never his horse. A man's mount is his own (I: 328)
Men may have more than one wife (I: 328, 411)
A man does not braid his hair until he has won a victory (I: 330)
When a khal dies, his khaleesi joins the dosh khaleen to rule the Dothraki nation with them. Even the mightiest khals bow down before the authority and wisdom of the dosh khaleen (I: 411)
Near the walls of a feasting place are those with short braids, men who have only recently done anything of merit (I: 413)
The seat near the center of a feasting hall, close to a firepit, is a place of respect if not high honor (I: 413)
In the corner of a feasting hall, the furthest place from the seat of khals so that better men need not look on them, sit the lowest of the low: raw unblooded boys, old men who cannot fight, the dim-witted, and the maimed (I: 416)
The Eastern Market is used largely by the caravans from the east (I: 490)
Bloodmagic is forbidden amongst the Dothraki, although the bloody rituals of the dosh khaleen are seen as different (I: 594)
When a man dies, his mount is kill and placed beneath him to burn with him on his funeral pyre, to carry him to the night lands (I: 595)
A funeral pyre is laid out in a great square, with a dead horse to be placed beneath the platform on which the dead man will be placed. The wood of the platform is laid east to west, from sunrise to sunset (I: 667)
The personal valuables of a man are placed on his pyre (I: 667)
The third level of a funeral pyre is made of thin branches laid north to south, from ice to fire (I: 668)
Only a khal can ask a man to become his bloodrider, by saying "I ask your oath, that will live and die as blood of my blood, riding at my side to keep me safe from harm." (I: 669)
Only a man can name a ko (I: 669)
When a body is laid on its funeral pyre, the head is turned in the direction of the Mother of Mountains (I: 670)
The burning of a funeral pyre does not begin until the first star is seen (I: 671)
The funeral pyre with slain horse is done only for the khals of the Dothraki (I: 671)
The response of a man who would be bloodrider to a khal who asks him to be one is simply, "Blood of my blood" (I: 674)
Few men have the honor to die with their hair never having been cut in shame and defeat (II: 144)
Handmaidens share beds with their khaleesis and it is not unknown for them to help relieve sexual tension as part of their duties (III: 268, 270)