OMG! Why Amitabh Bachchan apologised to his fan ?

He may be the living legend but he has the heart that beats for his fans. And showed this recently. Shamitabh actor recently apologised to his one his fan who turned 15 on her birthday but Big B forgot to wish her.And she showed her sudden outburst during that particular moment she told Mr.Bachchan to unfollow her on twitter.And while expressing the sadness Big B wrote "Amita has been upset that I did not wish her on the 15th ... My apologies. When you are in different time zone, jet lag and body temperament goes through so many changes... She has expressed on Twitter that I should not follow her anymore and that I am false in my expressions of greeting. Well..."At times when some Ef are not responded to, they send admonishing responses to me. It almost sounds abusive! I am not deserving of this, yet I let it pass by in the larger interests of our association...,"on his blog