Anonymous wrote:the only thing you can do is
1. apologize (and never say "but... it will pay off, I'm right, etc.")
2. back the f off forever
3. offer all the help you can by either watching their kids all the time or giving them enough money to hire a cleaning service and regular babysitting.
If you want to be close to your grandkids, do it.
Just saw she doesn't welcome your babysitting overtures. Give them money for babysitters, food services, cleaning services, etc. Offer to babysit when kids are asleep at night too.