[giantg2]

"Going in with a co-operative mindset (at least until the other party demonstrates they are not) should be win-win."

Completely agree. However, the underlying reason for many divorces is that they no long have the ability to cooperate or view things rationally.

[pohl]

The ability is still there. Usually it’s the willingness that’s absent.

[giantg2]

In some cases. In others the individual(s) may be irrationally emotional and might need a lot of therapy to overcome those emotional impulses.

[notch656a]

I've seen couples where the ability was never there, even if the willingness was.