[header] How to desensitize yourself from emotional pain [title] Know the all round effects of pain. [step] One must know that pain is not only painful; it is, one in a hundred times, helpful too. Usually, though, it is undesirable and simply unwanted. 
Pain is scientifically said to last not more than a few minutes. It is the one who is suffering who constantly reminds themselves of the past and hence it inflicts more than the real experience itself, over and over again.