‘Marriage is a lot of work,’ says Michael Douglas on 2013 split with Catherine Zeta-Jones BBCMichael Douglas opens up about Catherine Zeta-Jones split after 13 years: ‘We had our problems’ The IndependentMichael Douglas insists split from Catherine Zeta-Jones ‘was mutual’ and says after 13 years together ‘we had our problems, marriage is hard work’ Daily Mail
