Why is everyone trying to be "cool" and "young"? It seems everyone is going through an existential crises?

I've noticed that mostly everyone wants the least responsibilities and to live like college students. I've even noticed that lady Kris Jenner has her own fans of women who just want to be cool. Now you have siblings who are jealous of other siblings and it's as if their competing on who will have the coolest life. You better not have any kids because now you're not cool anymore, I do believe there is a competition between siblings going on which is why people aren't having children anymore. I've seen it personally with the older siblings that are getting older trying to keep up with the younger siblings. They are not having children because there younger siblings are living their young lives and they don't want to get old. Don't get me started on ageism because it's all over the place. Do we blame social media?

Why is everyone trying to be "cool" and "young"? It seems everyone is going through an existential crises?
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