Georgia Senate hopeful Herschel Walker said he holds himself "accountable" for his past behavior toward his ex-wife.

While Walker didn't admit to allegations of violent behavior toward his ex-wife, the former NFL star said that generally speaking, he is "accountable to whatever" he's done.

"I'm always accountable to whatever I've ever done," Walker told Axios Monday. "And that's what I tell people: I'm accountable to it."

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In regards to allegations that he's previously engaged in violent behavior, Walker said that "people can't just make up and add on and say other things that's not the truth."

"They want me to address things that they made up," he added.

This comes in response to several women claiming Walker engaged in threatening and violent behavior. One woman alleged Walker threatened her and stalked her at her house, while another woman, Myka Dean, claimed Walker threatened to "blow her head off" and kill himself when she tried breaking up with him.

Walker's ex-wife Cindy Grossman has spoken out about past experiences with Walker, stating that at one point, "he just kind of raged and he got a gun and put it to my temple."

While Walker has denied the allegations, he admitted to having a rare mental illness called dissociative identity disorder, or multiple personality disorder, in his 2008 book Breaking Free, according to ABC News.

"Most of the things I've done after my struggles have shown people that you can get knocked down and you can get up. And that's what I want people to realize," Walker said Monday, promising to expand resources available for those working in healthcare, law enforcement, and the military who struggle with mental health.

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On Aug. 24, Walker filed paperwork establishing his campaign to run for Senate in Georgia, challenging Democratic Georgia Sen. Raphael Warnock in what is expected to be a competitive race. Former President Donald Trump endorsed Walker, predicting he'd make an "even better" senator than football player.

Walker was a running back in the NFL for over a decade, playing for the Dallas Cowboys, New York Giants, and a handful of other teams.