President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE’s middle son, Eric Trump Eric Frederick TrumpJudge orders Eric Trump to comply with New York AG's subpoena before Election Day Eric Trump uses misleading clip to blast Biden for using teleprompter Melania Trump: Ginsburg's 'spirit will live on in all she has inspired' MORE, says his father’s life became “exponentially worse” when he ran for president.

“My father’s life became exponentially worse the minute he decided to run for president,” Eric Trump told Westchester Magazine in an interview. “He didn’t need to do this, but he was immensely frustrated with where the country was going.”

Trump, who took over management responsibilities of the Trump Organization along with his brother, Donald Trump Jr. Don John Trump'Tiger King' star Joe Exotic requests pardon from Trump: 'Be my hero please' Zaid Jilani discusses Trump's move to cancel racial sensitivity training at federal agencies Trump International Hotel in Vancouver closes permanently MORE, when their father became president said being “abused” by the media and mocked on Saturday Night Live “comes with the territory” in politics.

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“There would be far fewer headaches if it weren’t for politics,” he said.

In the interview, Trump, 34, opened up about his life in Westchester with his wife, Lara Trump, and their infant son, Luke, as well as how their private life has changed since his father took office.

Lara Trump said in the interview that her family members occasionally “pine for the old days.”

Eric Trump also suggested that he and his other adult siblings, Donald Jr. and Ivanka Trump Ivana (Ivanka) Marie TrumpSpecial counsel investigating DeVos for potential Hatch Act violation: report Trump, Biden vie for Minnesota Trump luxury properties have charged US government .1M since inauguration: report MORE, who is also a presidential adviser, are fair game for criticism.

“We are adults, we’ve developed a bit of an armor,” he said. “But Barron and Tiffany should be 100 percent off-limits,” referring to his 12-year-old and 24-year-old siblings, respectively.

Barron Trump is the president’s only child with first lady Melania Trump Melania TrumpTrump privately blamed Black Americans for lacking initiative: report The Hill's 12:30 Report: Ginsburg lies in repose Melania Trump: Ginsburg's 'spirit will live on in all she has inspired' MORE.