Sentence 1: When i was in college i had a lot of friends. 
 Sentence 3: I had a family problem and i'm so confused and don't know what to do 
 Sentence 4:  Some of my friends comforted me and some ignored me 
 Sentence 5:  Until i found out who's going to stand by me and who will leave me 
 Given Sentence 2: I thought they're all true friends until one day i realized something.