So for me, it was literally growing up and becoming a College Lib
Then I joined the DSA and started to get upset with the other members about them being so milquetoast and incapable of doing anything to benefit anyone
When someone called me a Marxist as an insult (which I laughed off and said "I don't even know what that is") I started to get into Marx and realized he was basically right about a lot of things
Then I moved out of the Midwest and saw that even in a supposedly progressive, forward-thinking state on the East Coast, things are shitty
As for family, I just make fun of my relatives who are still Chuds
I don't know if it does anything to make them change their minds, but it makes them shut up