The Stacey situation was the kids are hers and the older brothers but somehow it morphed into Stacey marrying Gareth officially the younger brother.
One might suggest there is possibly more to it. I would imagine there would be a toxic element in their relationships to.
They might have thought kids are in the twenties, both lost their jobs, spiralled into a suicide pack scenario where they where going to take others out at the same time as the situation was no longer viable as they aged on possibly as well as being disillusioned with the world. I am only speculating.
It would take a lot to not talk to your father for 23 years from a age in your twenties to I would have thought
