This could be more the environment they're in causing this than internal issues, I know Scotland has gone downhill MORE than the rest of the UK so maybe she just wanted to move somewhere else, he was resistant and it's been a pressure slowly building up?

I'm just spitballing here, hopefully best case scenario as one of those posts said, they've just drifted away from each other and decided to split and do the legal divorce proceedings but they're on friendly terms and involved a lot with the kids. Better they split but still friends than stay under one roof resenting each other in that case.

This could be more the environment they're in causing this than internal issues, I know Scotland has gone downhill MORE than the rest of the UK so maybe she just wanted to move somewhere else, he was resistant and it's been a pressure slowly building up?

I'm just spitballing here, hopefully best case scenario as one of those posts said, they've just drifted away from each other and decided to split and do the legal divorce proceedings but they're on friendly terms and involved a lot with the kids. Better they split but still friends than stay under one roof recenting each other in that case.