Sentence 1: Paul was really hot. 
 Sentence 3: So he decided to shave it all off 
 Sentence 4:  And he was satisfied by how much cooler he felt 
 Sentence 5:  And every summer, he decided to shave his hair 
 Option 1: And his thick sweatshirt was driving him crazy. 
 Option 2: And his thick hair was driving him crazy.