Steven Spielberg, 79, said his wife gave him one rule before he started DreamWorks Steven Spielberg said he only agreed to start DreamWorks if it would be a 9-to-5 job. David Becker/Getty Images for CinemaCon Steven Spielberg , 79, said he only agreed to start DreamWorks if it would be a 9-to-5 job . Speaking to Michelle Obama and Craig Robinson on the latest episode of the "IMO" podcast , Spielberg said that balancing family life with filmmaking was difficult. "One of the biggest challenges is just running out of excuses why I can't get home for dinner. Because it's my loss. It's their loss, but it's also my loss," Spielberg said. The filmmaker married the actor, Kate Capshaw, in 1991. Together, they raised seven kids, including four children they had together, Spielberg's son from a previous marriage, and Capshaw's two older children. That family-first mindset even influenced one of the biggest business decisions of Spielberg's career.…