The 40-year-old won the award for his directorial debut "Argo", reported Access Hollywood.
"All marriages, all relationships to a certain extent, require your work. They require work and investment. We work on it together, we try our best. Nobody's perfect. I would be lying to you if I said that either she or I were. She's more perfect than I am, I can tell you that," he said.
"We do our best. She's committed. She's as committed as I am. We work together, and we have three great kids," Affleck added.