Stallions may be hunters, but the mares actually run the tribe & supplement local food supply with cultivated produce. They also bring some less common goods into their communities through trade. They pay with treasure stripped from the monsters/people foolish enough to challenge them. They don't care to trade with Humans, as Centaurs consider them untrustworthy. They deal freely with Elves, however, mostly for elven foods & wines.
Centaurs are massive creatures, eating and drinking much more. They are notoriously wild drunks, given to high-spirited rampages when overindulging. Non-centaurs should note that although centaurs have generally wonderful senses of humor, they are sensitive about their physiology. They take direct offense at any horse jokes. While centaurs can give most humanoids a ride in times of need - and are often willing to offer such assistance as needed - they are offended when asked to perform this service. They are noble and intelligent creatures, not beasts of burden, and are touchy about anyone insinuating otherwise.
Centaurs mate for life. Once they promise to each other, they are forever faithful even should one of the pair die.
Young Centaurs are encouraged to play freely, and mostly do so byt running wild through the forests making up their homes. As they grow up, they are gradually asked to share more and more of the tribe's duties. When a Centaur reaches the age of five, she officially becomes an adult and the tribe hosts a large party to celebrate. Centaurs gallop in from miles around to eat, drink, and race.
As Centaurs get older, they slow down and when its their turn to die, they drift off into the woods and expire peacefully & privately - offering their bodies up for creatures of the forest to consume, just as they have consumed so many such creatures during their own lives.
Out side the tribe most centaurs work alone, confident in their ability to handle most situations but are often happy to join adventuring parties, especially ones with Elves in it.