Read. As much as you can. As deeply and widely and nourishingly and irritatingly as you can. And the good things will make you remember them, so you won't need to take notes.
The thing I know for sure is that at the end of my life, what I'm going to remember is the love I felt for my family and my friends, and whatever good I did for other people.
I was in a commercial when I was three. My godfather was a director and a producer of commercials. He took me in along with his kids and I couldn't remember my lines. I giggled my way through the commercial and they kept it.