What are some of the unspoken life milestones that no one really talks about?

What are some things in life many or most people do by a certain age, that no one really talks about?

11-13 = Start puberty.
14 = Start high school.
16 = Get your driver's permit/license.
17-20 = Lose your virginity.
18 = Graduate high school / Become legal adult / Go to college.
21 = Drinking age.
22 = Finish undergraduate school.
22-26 = Start your first serious career.
24-28 = Finish graduate/law/med school, if you go.
26-32 = Get married / Have your first child.
30-35 = Buy a house.
35-40 = Have wealth.
44-50 = See your first child grow up.
60-65 = Retire.
What are some of the unspoken life milestones that no one really talks about?
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