There is little value in speculating.  These cases and judgments serve as lessons for anyone with similar circumstances of what to look out for and where potential foreseeable risks are.  For instance a person in a similar situation now may insist not only does the potential spouse have a lawyer advise them but also has a medical report from a psychologist to say they are of sound mind at the time they are signing.  Ahhhh the joys ot true love.