Sentence 1: Sarah had low self esteem. 
 Sentence 3: She became more and more absorbed in a fantasy world 
 Sentence 4:  And other people's comments and criticism no longer affected her 
 Sentence 5:  But Sarah never actually achieved anything in reality 
 Option 1: She decided that a makeover would make her feel better. 
 Option 2: So she imagined herself achieving success and praise to compensate.