When you're pushing yourself to explore new ideas, new environments and new cultures you're much more likely to be uncomfortable. It is when we're uncomfortable that we are forced to exercise our brain. Ideas and skills bring wealth.
Wealth is not money. Only poor, ignorant people think wealth is money. I need my kids to be using their brains vigorously, to be generating ideas, to be problem solving consistently and to be collecting a body of knowledge to be tapped at every turn. I need my kids to be uncomfortable.