Apparently, there's this term for some girls, "扶弟魔", like "伏地魔" (Voldemort) phonetically, but you know, it means "younger brother helping demoness", basically, in China, because people still pay dowries as common societal practice, some girls demand as part of their dowry to be paying for their younger brothers' dowry or buying them a house or something; helping their "birth family" to the point of abuse on SO