Sentence 1: Paul was sick of his job and wanted to be his own boss. 
 Sentence 3: While business was slow at first, Paul was happy to have a change 
 Sentence 4:  Soon things picked up for the store and Paul was making a profit 
 Sentence 5:  Now Paul is very happy and is his own boss! 
 Given Sentence 2: He started a sporting goods business with some friends.