Sentence 1: Elena wanted to lose weight. 
 Sentence 3: Nor did she want to exercise 
 Sentence 4:  So instead she decided to throw up her food after each time she ate 
 Sentence 5:  Unfortunately, she has developed an eating disorder called bulimia 
 Option 1: She went on a very healthy diet and started exercising. 
 Option 2: But she didn't want to change her eating habits.