Sentence 1: Bobby had a hard time talking to girls. 
 Sentence 3: This way, Bobby would gradually become more comfortable 
 Sentence 4:  He tried this technique at school the next day 
 Sentence 5:  He found that talking to girls wasn't so hard after all 
 Option 1: His brother suggested that he just force himself to do it. 
 Option 2: His brother suggested that he should stop trying.