Sentence 1: Jerry notices he's going bald a little on his head. 
 Sentence 3: He decides to wear a hat for a few days 
 Sentence 4:  Everyone started asking him why he's always wearing a hat these days 
 Sentence 5:  He decided to just shave his head so people stop asking 
 Option 1: He is only thirty and is becoming nervous about it. 
 Option 2: He is not very self conscious about it.