Nicole Kidman and Keith Urban are one of Hollywood's most enduring power couples, but their relationship hasn't always been smooth sailing. Kidman revealed that Urban waited four months before asking her out on a date, but just a month into their relationship, she knew she wanted to marry him. However, only four months after their wedding, Urban checked himself into rehab for substance abuse issues, which was painful for Kidman. She even organized an intervention for him. They admitted that they were two very lonely people who met at the right time. They also never text or e-mail, and prefer hearing each other's voices.

Despite their ups and downs, they remain candid about their problems and stay together.

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