Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can't take it in all at once.
It's that wonderful old-fashioned idea that others come first and you come second. This was the whole ethic by which I was brought up. Others matter more than you do, so 'don't fuss, dear; get on with it'.