U.S. President Donald Trump made an unexpected confession while reading a children's book with U.S. Second Lady Usha Vance, revealing the one presidential record he doesn't want to break. The 80-year-old joked about former U.S. President William Howard Taft being America's heaviest commander-in-chief and admitted he doesn't want to surpass that record. Trump also discussed his recent physical, his weight, Ronald Reagan, John F. Kennedy, White House life and why he rarely uses the presidential swimming pool. Here's everything he said.