There's an idea in our culture that's so wrong: that life is over when you get to be a certain age. But your golden years, like mine, can be the best years of your life . My life has demanded a certain amount of courage.

I was born in Cleveland, Ohio, in 1922, shortly after the start of Prohibition. My father, who was a bootlegger, got into a turf war with the mafia, and he was killed in our driveway when I was just two years old. I got married a month after my 19th birthday and went straight from my mother's home to my husband's.

Three kids and 25 years later, I left that unhappy marriage and loved being out on my own. In my 40s, I had my first experience of supporting myself and being myself. I started writing for newspapers and later, after I remarried, had the luxury of writing novels full time.

DON'T MISS: Are you stressed about money? Take our new online course Today, as a 101-year-old in Austin, I'm living the kind of life I feel fortunate to have. I still do things I love — like publishing my ninth book earlier this year, spending time with people I love, and reading. It's a quieter life than I had as a younger woman, but these years are good ones.

I wish more people my age knew that. Here are eight lessons I've learned that have helped me live a long, happy life : Some cultural ideas are good, but many are wrong. People give up on their lives much too early.

When your mind focuses on what the culture teaches us — that we're done when we get past a certain age —.