What makes President Donald Trump tick? There's no better person to ask than Peter Ticktin, Donald Trump's former platoon sergeant who ran Company A for him at New York Military Academy, and lifelong friend. In What Makes Trump Tick: My Years with Donald Trump from New York Military Academy to the Present, Peter Ticktin outlines why he always has and always will stand behind 45. Including never-before-told stories of Donald Trump and their lives at New York Military Academy, What Makes Trump Tick is an eye-opening, firsthand account of the experiences that made Donald Trump the businessman, president, and simply the man he is today.