In no particular order…

First fish
First bike
First lie
First death
First par
First strikeout
First strikeout
First loss
First solo
First win
First flight
First job
First alone
First responsibility
First kill
First award
First regret
First realization
First truth
First kiss
First base
First strikeout
First song
First love
First child
First car
First home
First business
First epiphany

Each one a chapter for the book, and so very many more to come… which will tomorrow bring, and what are yours?