Sentence 1: Hank always slouched in his chair. 
 Sentence 3: Eventually, Hank developed a bad posture 
 Sentence 4:  And it took Years to correct 
 Sentence 5:  Hank regret not listening to the advice of others 
 Option 1: But when his mother told him to sit correctly, he listened. 
 Option 2: But when others told him to sit correctly, he didn't listen.