Earlier quoted context omitted.
>It's all about your priorities/tradeoffs and how much work you're willing to put into it. They lead a very no-frills budget-restricted life, keep very minimal possessions, put effort into finding overseas teaching jobs in low cost-of-living areas, finding dirt-cheap travel deals... So how is their retirement plans coming along? >...and honestly I think the kids getting all this early travel and cultural exposure is…
One does not have to retire to a first world country. Seriously, why would you even want to retire to USA? Health care, which old people tend to use, is stupid expensive.
Family. Literally everyone wants to retire near their family, kids, and grandkids.