Watch at least from 2:38:30 to 2:50:35
Sergey Nazarov is a pretty no nonsense type of dude. He runs Chainlink - if you don't know know crypto just know its a pretty big deal.
The "What will I regret not doing at 80?" applies to both really hard things as well as things you want to do.
Your ability to get an education as you get older will most like get worse. If you want one, go get it now.
Your ability to start a business as you get older will absolutely get worse. If you want one, go do it now.
The amount of choice you have over the next decade will be cut down by 90%. Capitalism forces specialization.
The world as it is now, will most definitely not be the world later in life. Responsibilities and obligations build quickly at the expense of free time.