Church
People having kids without being married
I didn’t have a very religious upbringing or anything, but in my middle class Home Counties 80s adolescence, there was a fair amount of pitching up at church, and someone having a kid outside of marriage was a bit shocking
Regular Quite Formal dinner parties
Women having careers - v few did. though parents did want and expect their daughters to. I was v much looking forward to being ‘a career girl’ 😁