Thanks for both responses. I figured the 'timeline' thing would be hard to pinpoint and I whilst I had some concerns about the sex I wasn't able to define them well until you provided your answer.
Me: 31, W: 29 T: 4 M: 2 Kids: 3 (SS: 7, SD: 4, D: 3) Separated, still living together: Nov 2013 Separate bedrooms: Feb 2014 W working away; kids with me: Nov 2014