Have a look at the cost of private health insurance at 65 and 75 years old and you will see why you would want to be back in the government health system.
Expat packages aren’t what they used to be and unless you were a CX “A” scaler or spent a long time in the sandpit, retirement options might be scaled back a bit.
Each to his own but I would prefer hot Asian LBFMs over Australian grannies any day. In Thailand, $500 a month would get you a young, attractive full time live in girlfriend who does the housework and shopping.