updated 12/13/2011 AT 12:00 PM ET
•originally published 12/13/2011 AT 8:00 AM ET
“We both know we couldn’t do what we do without each other,” the actress says in the January issue of InStyle, on sale Friday. “Ben always says, ‘If you love it, we can make it happen.’ ”
Of course, jewelry helps, too! Affleck, 39, enjoys showering his wife with diamonds. He gave her a pair of pink and white diamond Harry Winston bands, one for each of their two daughters, Violet, 6, and Seraphina, who turns 3 next month.