Over the last few months, so very much has changed, both in our own worlds and in the wider world, in ways that most of us simply could not have predicted. Perhaps, sarahcyn, if you feel unable to to take on the child-minder role, you can explain that the "promise" you made, was done so at a different "time" and in different circumstances. And that now you can't do this, because of the real risk to your DH.
How to start the difficult conversation?
"Bunking off" school as a child.