Designer Nate Berkus told his father that his being gay was not a choice he would have made.

Speaking to his former mentor, Oprah Winfrey, on cabler OWN's Super Soul Sunday, Berkus, 41, explained that his relationship with his father moved forward when his dad understood that being gay is not a choice.

“I felt that everything that I had ever been through in my life kind of rushed to me in that moment to give me the voice that I needed to say to him, 'Dad, do you trust me? Do you respect me? I'm your oldest son, do you respect me in business?' … And he said, 'Yes.' And I said, 'Do you think I'm smart?' And he said, 'Yes.' And I said, 'Dad, why would I choose to make my life more difficult? Why would anyone choose to make their life more difficult?'” Berkus said.

“The truth of the matter is, is that being gay is the way that I was born. I believe this to the core of my being. I would never choose something to make my life complicated.”

“I said, 'Dad, do you think I would choose to have this hair? Do you think that I would choose to be 5-9?' I would have been 6-1. Like it's the exact same thing as my being gay.” (The video is embedded on this page. Visit our video library for more videos.)

OWN will broadcast the two part interview, titled Oprah and Nate Berkus: The Things That Matter, on February 10 and February 17.

(Related: Nate Berkus: I stayed home for months after partner died.)