Originally posted by JustMe:
Why do you think he drinks too much water? Why shouldn't he drink water just because he's thirsty? I always thought that his diabetes was powerful invention of Coppola to have him somehow punished. There's no direct proof of his diabetes in GF1 and not a single word about such a thing in the book.
I agree with you about nothing referenced in the first film that would lead one to know about Michael's diabetes. But in the second film, along with
the alternate script of GFII , there is more direct evidence of the illness. In fact, the alternate script even says:
Michael sits at a table having a sparse lunch. He is attended by his sister Connie, who seems to be the closest person now living on the estate with him. We see from the way she pampers him with his lunch, that she has fallen into the role of a surrogate Mother-Wife. He seems older than his years, as though his illness, diabetes, has taken its toll.
I would just add that, along with the illness, the stress of just having had Fredo killed was why Michael looks so despondant in the boathouse.