Sentence 1: Boris had a heart attack. 
 Sentence 3: Boris decided to run 3 miles every day 
 Sentence 4:  Boris decided to eat good food 
 Sentence 5:  Boris died at 120 years of age in perfect health 
 Option 1: He had to do something so he decided to exercise and broke his arm. 
 Option 2: After he recovered he decided to take better care of his health.