Re: Grandparents looking after grandchildren.
How could you say no? By saying it! She most likely is working at a job covered by FMLA so taking off work for a sick child should not be a problem. I don't mean to be harsh here but you came to us for advice. You need to give serious thought to what you are willing to do and what you aren't - and learn what benefits they have with regard to work and their children. Then decide what you will agree to do - and tell them. In no uncertain terms.