premise:  Frances was 78 years old and did very light workouts every day. She didn't sweat so she didn't think she had to drink a lot of water. "On July 4th, 2016 it was 100 degrees out and she went for a walk." During halfway through her walk she got dizzy and fainted. She woke up in the ER and the Doctors told her she was dehydrated.
hypothesis:  Frances cared about staying healthy. starts after the doctors told her she was dehydrated 