Brendan Cole and his wife Zoe have spoken candidly about overcoming marriage problems in their decade-long union, with the former Strictly Come Dancing star admitting it hasn't all been "harmonious".MORE: Take a look at Brendan Cole and wife Zoe's gorgeous wedding albumIn an exclusive interview with HELLO! magazine, shortly after marking their tenth wedding anniversary, Brendan said: "It hasn't always been so harmonious, though. We have our disagreements, but know where to draw the line.