The 42-year-old, who tied the knot to the "James Bond" star in June 2011 in New York, admits her marriage to the actor is different compared to what she had with her former partner Darren Aronofsky.
"It's different being married than living with your partner. There is a contract. You don't necessarily have to think about respecting the rules, but it is just there. It's in your heart, it's not like a piece of paper," femalefirst.co.uk quoted Weisz as saying.