"My best friend was jealous of me... for twenty years."

They'd been friends since school.

They'd had children together.

They'd gone through divorces together.

But one day, the woman accidentally discovers that all the most damaging rumors about her were started by one person.

Her best friend.

She told her colleagues.

Wrote to her ex-husband.

Even tried to set her against her daughter.

To the question:

"Why?"

The friend replies:

"Because you've always been able to get up after you fell. But I can't."