Nicole Kidman and Keith Urban are both masters of their craft — her at acting and him at singing. And having been married for 19 years, the two have figured out how to make things work. In an interview with W Magazine published on Friday, January 3, Kidman, 57, shared the secret that has allowed her marriage to Urban, also 57, thrive.

After nearly two decades of marriage, Keith Urban and Nicole Kidman know a thing or two about how to navigate intimacy.

Nicole Kidman and Keith Urban credit their 18-year marriage to separate toilets, a double-headed shower, and unconventional romance.