I Deleted 1 Of My Friend's Number From My Phone book

I Deleted 1 Of My Friend's Number From My Phone book.......
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Bcoz Of Certain Misunderstanding Between Us...
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Today I Received A Friendship Msg From An Unknown Number....
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I Replied 'WHO R U'?
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The Reply Made Me Cry..
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"Idiot Dont U Even Know The Spelling Of 'HOW'..?
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I Am Fine Dude.." . ''REAL FRIENDSHIP HAS NO END'' So Don't Lose Ur Friends