Sentence 1: Corina was very proud of her social circle. 
 Sentence 3: She wrote to many of them every day 
 Sentence 4:  But when it came down to it, she had no real friends 
 Sentence 5:  And when she needed support or help, she was alone 
 Option 1: She had thousand of friends on Facebook. 
 Option 2: She had no friend on Facebook.