Luke, Alex and Helen call their dads Dada and Ba, the Khmer word for father. And just like any couple, Gregory and Andy stay sane in a hectic household by taking time for themselves after the kids go to bed. They catch up over a candlelight dinner every night. "People will stop us on the street and say, 'Aren't the kids lucky?'" Gregory says. "We think, 'No, we're the lucky ones.'"