The secret to former President Donald Trump looking good at 75? Agita. Donald Trump Jr. said “stress fuels him” and pointed out that his father has had to take “more crap than other presidents.” The president’s eldest son posted a photo of his father next to a remark from conservative commentator Jack Posobiec, asking: “How is he getting younger?” “He got younger,” Trump Jr. claimed. ​ “There’s some truth to this. He takes the stress and it fuels him, and in all fairness he took more crap than any other president times about 1000,” Trump Jr. wrote on Instagram. “Others can’t handle it and they age 20 years overnight​,” he added. ​​ Other Instagram users also weighed in. #DonaldTrump #DonalTrumpJr #NewYorkPost The New York Post is your source for breaking news, news about New York, sports, business, entertainment, opinion, real estate, culture, fashion, and more. Catch the latest news here: https://nypost.com/ Follow The New York Post on: Twitter - https://twitter.com/nypost Facebook - https://www.facebook.com/NYPost