Age can play to this. My brother is 9 years older than me, born into postwar food rationing, a time my family would have been teetering on the edge of financial stability for complex reasons and hugely stressed about money, and financial stability. I was born into the 1960s boom years, The emergence of ubiquitous consumerism, plastics, technology.

We have different perspectives on class, roots, class identification. Not that we were ever working class but we own different perceptions of our relative class status.