I recognise this behaviour. It's common when people go through extreme hardship, they naturally understand that their world is not secure[0] so they try to buff

I recognise this behaviour. It's common when people go through extreme hardship, they naturally understand that their world is not secure[0] so they try to buffer against it. Money and food typically. [0] something who've had it easy don't learn, so they assume that everything will be alright, always. It won't.