We 're getting married~ He told my mum . Was so smoothly that it really shocked me .. is she really alright with me getting married ? Bro and sis was worried about me with the responsibility for the future and the consequences . I ' m worried about dad .

Options: (I) None of the above choices .. (II) He knew how excited I was about the announcement .. (III) He knew how concerned I was about the reaction .. (IV) He knew how much everyone would love him ..
Q: What may have been the reason that he broke the news ?
(III)