I'm sorry they are treating you this way. You are being kind by looking after your grandson. They are getting free babysitting, so no wonder they get mad when they think it will go away.

But as the other people have said, you have to look after yourself. If looking after the child is stressful, then you have a right to say, "No"--whether your kids like it or not. Tell them you won't put up with their disrespect and leave, hang up the phone, or whatever.

I know you want to keep a relationship with them, but at what cost? By the way, are you seeing a therapist? I think one would be very helpful at this point--for support. Okay?