Sarah Michelle Gellar says one detail at home has helped her marriage last 23 years

Sarah Michelle Gellar. Kevin Winter/Getty Images Sarah Michelle Gellar has a simple household rule for avoiding conflict in her marriage to Freddie Prinze Jr. "There just has to be another bathroom available," the "Buffy the Vampire Slayer" star said. She added that maintaining a clear boundary between her public and private lives has also helped her relationship last. Sarah Michelle Gellar, 48, says a small but practical detail at home has helped her avoid common couple conflicts. In a Peo...