One of the links talks about how every time William would become very sick (and his sicknesses were lengthy), Julia would immediately thereafter get a "revenge" illness of her own. O.k., how is this known? Sometimes people who are caring for sick people wear their own health down and they do become sick. This is pretty common from my observation. With Julia being quite a bit older than most people thought, it seems she might be even more prone to this. Also, it sounds as if she went to a doctor. Even in the 1930s, a doctor should be able to tell if you really have bronchitis or not.
IDK, maybe Julia was a drama queen, but are they basing this off of anything other than a pattern of him getting sick then her getting sick? Because one of the witnesses expressed concern for Julia and she reassured that person she would be all right. I guess you would have to be there to hear how she spoke about her illness, but it seems she passed up a chance to get out her fainting couch if she was a drama queen.
oh, moo.. i forgot since everyone is dead on this case anyway