President Donald Trump's outlandish behavior is the result of childhood trauma that he has not worked through, "Couples Therapy" star Dr. Jenn Mann told TMZ.

"One, he's someone who gets triggered easily," she explained. "Two, he has terrible impulse control, very poor impulse control. Developmentally, his ability to control his impulses ... he's almost like a young child."

"Take me back to the childhood, what do you think caused this?" the reporter asked. "What caused -- this?"

Former Fox News chairman Roger Ailes was very concerned that the network might lose significant viewership because then-candidate Donald Trump was tearing apart the Republican Party.

That was one of the many factoids revealed by former Fox host Megyn Kelly, who spoke to PBS's "Frontline" ahead of the new film "Bombshell" being released in theaters.

"Everyone had a binder like this," Kelly said about opposition research binders, showing that it was about an inch thick. Trump, by contrast, she described a binder that was more like five inches thick.

"The way Trump sees media, the way he sees life is all 'they like me' or 'they don't like me,'" she continued about the first GOP debate in 2015. "And in that moment I got moved from the 'she likes me' category to 'she doesn't like me.' And I do believe that night that the anger was real. His anger at me was real that night.