I have been interviewing with my wife a week ago,during the interview I have asked a questioned about my wife's son she have 2 child with her x-husband ,but unfortunately I remember wrong birth day date of her son ,actually he is not living with us,so sometimes i did not remember ,.....after the interview finished the officier ask us to come home and wait in several weeks at least 3-6weeks, my question is that is a normal time to process?or usually the result will known after the interview?if so in this case there are any problem for me in this interview?or in the bad situation am I in reject for the interview?...pls help