Forty years later, Ali MacGraw and Ryan O'Neal are together again for a Love Story reunion. Ali gets honest about life after the spotlight, and Ryan opens up about his real life love story with Farrah Fawcett.

Actress Ali MacGraw explains what love means to her.

Actress Ali MacGraw talks about her growth as a person.

In all of her conversations with women about aging, Oprah says she's met many who were consumed by fear of aging. Not actress Ali MacGraw. Watch part of her conversation with Oprah and find out how holding on to the past can paralyze your present.

John F. Kennedy Jr. talks about his life in the public eye on The Oprah Show.