How is that? It appears the time to establish residency is marginal.
Where was the child at any given time?
And to your last statement:
Do you realize that no matter which parent has custody, the other parent is an ocean away?
Are you aware there are FIVE stages of kidney failure? Stage 5 is where dialysis would come in
https://www.freseniuskidneycare.com/about-chronic-kidney-disease/stages/stage-4#tabs
Then for stage 5
So at stage 4, dad needs to start concerning himself with a future of dialysis, NOT DEATH.