So now we know how she does it. Sarah Jessica Parker has discussed the unconventional secret behind the success of her 14-year relationship. The 46-year-old star admitted that she coped with married life by allowing herself 20 minutes a date to 'hate her husband Matthew Broderick. The actress was chatting Ryan Seacrest on his KISS FM breakfast show when he quizzed her about comments she made earlier this month about allowing herself moments of rage. The I Dont Know How She Does It Star replied: 'I think thats healthy and I think its realistic. 'Some people have it down to 20 minutes a week. Other unfortunate people have it down to 20 minutes per hour. But she insists she doesnt always require the allotted time. 'In my life, we go many, many days without 20 minutes of bitterness. And when asked what her secret to such a harmonious family life was, Sarah added: 'You work really hard for many years and the overwhelming feeling is of good fortune and appreciation - so how else could a person behave if you are so lucky and fortunate? MOL Sarah and Matthew three children - James Wilkie, 8, and two-year-old twins Marion and Tabitha - and have endured rumours of his alleged infidelity in recent years. The star also discussed the possibility of a third Sex And The City movie. 'I never gamble but there may come a point in time, not in the near future, but in a little while, where we might find a time to tell a third and maybe last story. She also said that she thought the Sex In The City prequel, which follows the life of Carrie Bradshaw as a teenager, was 'lovely. 'Im always very touched to see how Carrie affected people and shes someone who is interesting and continues to be compelling. 'So I think its very exciting and its lovely. MOL