Adjustment of Status - I-485

hi guys as per my previous post u guys read i got interview april 6 in seattle for green card through marriage base at the interview ask alot of questions me and my wife end of the interview the lady told me she gina review our case and let us knw in mail but today i received call from the guy in immigration office he ask me alot of question related to my family my alot of it takes 2 hour to take interview on call at the end of he just said he gona send info to interview officer who took my interview recently and he said if she need something she will let you knw otherwise you will get your green card in mail i dont knw whats going on somone have same experience like me to take interview in phone call it's weird somone help me here pls