A look inside the relationship of Oprah Winfrey and Stedman Graham, who say avoiding marriage helped them stay together for 32 years

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Stedman Graham sparked speculation when he suggested his longtime partner Oprah Winfrey might run for president.

• Oprah Winfrey began dating Stedman Graham in 1986, the same year her namesake show launched.

• Winfrey and Goodman got engaged in 1992, but ultimately decided against marriage.

• Graham's suggestion that Winfrey run for president at the 2018 Golden Globes isn't the first time he's encouraged her to enter the realm of politics.

Interest in media mogul Oprah Winfrey's hypothetical 2020 presidential run is surging.

Even US President Donald Trump has weighed in. While Trump asserted he'd beat Winfrey, in past years he said the former queen of daytime talk would be his ideal running mate, Business Insider reported.

Still, Winfrey's well-received Golden Globes speech, which touched upon the #MeToo movement, the free press, and the importance of combatting injustice, has catapulted her name to the forefront of this early presidential speculation.

And her longtime partner Stedman Graham's comments to the The Los Angeles Times also helped fuel widespread interest in her political prospects.

Graham, who runs management and marketing consulting firm S. Graham and Associates, has been with Winfrey for 32 years.

Here's a look inside their relationship: