Sounds like the stress of your grandfather's accident triggered your grandmother's problems. Sad...but actually quite common.
I'll definitely join in with best wishes for a speedy recovery for both.
My neighbor's wife's mom had a severe stroke yesterday. It appears she's gonna be ok...but with strokes, you never know for sure.
for those ragging on mucho...IMO, it's not necessarily HIS fault that his son is worthless. Sometimes it happens even with great parenting...divorces often cause unintended consequences.