The trauma would surely affect different personalities in different ways. I don't believe in any supernatural nonsense but I do believe that the mind can be distracted sometimes to extreme degrees and this affects the physical body.

Shakespeare did not always put the truth into the mouths of his characters, as with all fiction writers.

An old couple lived in the middle of our estate for over 40 years in the same house and a feral family moved in next door that allowed the children of other feral families onto the property, stealing property, lighting fires, throwing large lumps of concrete into their garden, pulling down fences. After weeks of this stress the old couple moved into a home for the elderly. They both lasted less than a month.