But that sounds like another 5 years and so much can happen in 5 years None of us know where we will live or even if we will be alive in 5 years
The eldest will be 23 could be married in a career or in a serious relationship Youngest will be 18 they may chose to leave with the parents to wherever they are going, so why do you feel they will be abandoned if that’s true maybe the grandkids will want to stay with you.
I don’t think it’s your battle to be honest and it’s a long way off
Get on with living day by day and see where it all goes
Time to think more clearly is in 4 years time
Have the children suggested they are traumatised by this future move? Or is it you that is ?