Grandpa’s Got Issues
Our parents and sometimes grandparents do their best to shield us from the heartbreaking truth. For instance, moms and run over their dogs try to play it off by claiming that the dog ran away, which is probably a million times worse than the truth. But that’s beside the point.
The OP’s granddad tried to flee from the nursing home in the dead of night one time. He also let his son, the OP’s uncle, know that he wished he died and all his money went to him. You could blame it on dementia, but we know the truth. That uncle was probably far from being the favorite child.