In Romania, especially in its rural parts, it's customary to keep one of the offspring if not with the parents then at least somewhere close to parental home. Families encourage their kids to grow and develop themselves, and support them in doing so up to a certain point in time. Afterwards, they go in the other direction and "encourage" through all their available leverages retention inside the family, and this goes in various forms, from mild pleas for payback care up to heavy psychological pressure with nasty tricks and everything, that stops only when a decision was made by one of their children. The "lucky" one becomes their heir and caretaker and the others are released off the hook. If you're better with or off your parents depends on the times you're living in (be it Romania or other place), but clearly that's not something as simple as a cultural trait.