Visitor Visa - B2

Hi to all, my b2 visa got approved today.
this is how it went

me good morning
vo: good morning,how do you do?
Me: fine
vo: where you want to us?
Me:i told the address xxxx and place in us
vo: why are you going to us?
Me: tourist and to visit my sister family
vo: How long you will stay
Me:two to three weeks
vo:what you do here
me:Business
vo:what is your annual income?
me: my annual income xxxxxxx\
vo:Are you married?
me:yes
vo:how many childred?
me:one
vo:who is sponsoring your trip
me : my sister
vo:how long she is in us?
me : more than 12 years
vo:when did you last saw her?
me:four years before
vo:you visa is approved.
Me:thank you
my advice,be honest to yourself and to the officer,
do not get tensed and nervous ,give straight answers,and do not give irrelevant answers