"We were thrown into his alcohol problem three months into the marriage, and that was big," Kidman told Parade in 2008. "We became the closest we could become, because we had to bare our souls. We did 10 years of marriage in three months."
Urban, who celebrates his 44th birthday Wednesday, credits his 44-year-old bride (and mother of his two children) with giving him a new sense of purpose.
"As far as being a married man, it is the best thing I have ever done," Urban raved to UK's The Sunday Telegraph in 2007. "And it's not just about being married; to me, it is about being married to her, to that woman because she has just saved my life -- absolutely saved it."