Heartbreak

Ever has it been that love knows not its own depth until the hour of separation. - Khalil Gibran 

  Only in the agony of parting do we look into the depths of love. - George Eliot 

  Love begins with a smile, grows with a kiss, and ends with a teardrop. - Anonymous 

  Don't cry because it's over, smile because it happened. - Anonymous 

 Further reading: Coping with Heartbreak 

  How to Move On and Let Go 

  Cope With Loss, Grief, and Fear 

  Beyond the Grief of Divorce