Why do some people act like 25 or 30 is the end to experience life and have everything figured out?

I see lot of this in the media especially with women and it’s so sad and disgusting how disrespectful and hateful people are especially men. I just turned 25 and I feel like my life is just beginning. I met my man at 24 and he loves me just the way I am and he prefers me over girls his own age. I’m experiencing lots of adventures and wonderful things with him, I’m in my 20s and things looked up for me more AFTER high school if I’m being honest. I feel like these days people expect everyone to have things set in stone at 23 or 25 with kids and marriage like waitttt I just met my partner. Everyone’s timeline is different too and life shouldn’t be some race.

Why do some people act like 25 or 30 is the end to experience life and have everything figured out?
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