Being at the very tale end of the baby boom from late 50s to early 60s. For most of the late 70s and early 80s the drinking age was 18 or 19 in most states. The late 70s was the height of easy drug use before the latest proliferation of legal cannabis that happened in the past 5 years, even though many drugs were deemed illegal, enforcement was extremely lax, drugs were easy to come by and pretty normalized by the number of people on Wall Street and Madison ave that were doing coke.
High school parties of the late 70s and early 80s were epic b/c of the lower drinking age. This same group graduated college with a booming economy in the late 80s and then in the mid to late 90s as they were entering their mid 30s and prime earning years. Low interest rates then allowed a lot to purchase nice first and then second homes and as long as you got in before the 2008 crisis you would have done very well home equity wise and you ended up having two great bull markets for retirement. Most of these folks were too young to lose too much money in the '87 crash and any loss in the 2001 and 2008 crashes were quickly earned back in the subsequent expansions.
From a running perspective the late 70s and 80s were the time for running in America. Every town had a big race, and most races had free beer afterwards and quite a party scene in those days. Fields were deeper than today, team competition was a big deal and prize money was way better relative to today with even smaller rotary club type races offering cash prizes and or things like new shoes, bicycles, etc.
Massive improvements in health care and life expectancy over your 60+ years on earth and huge inheritances from your parents as they passed away, the largest generational wealth transfer in history.
The 70s and 80s was an amazing time for music in addition to the fact many of the great rock acts that started in the 60s were still going strong, you had the development of punk, metal, prog rock, rap and hip hop, funk, Jazz greats like Miles Davis and others were still kicking and innovating, the concert scene and club scene was probably at its biggest ever with huge stadium shows every summer that didn't cost a fortune to attend and where the security wasn't really looking to bust people's balls for partying in the parking lot or inside the venue. Pre aids epidemic so post birth control so no need for condoms and casual sex was as normalized as it has every been.
Private clubs still had cache and if you were male the country club was a place of refuge.
Access to great wine and food has been as good as it gets the last decade or so, farm to table, the Internet, you can buy things with a click that would have required a great deal more effort just 25 or 30 years ago.
High end dining is so much more diverse and interesting than it was a generation ago.