Visitor Visa - B2

Hey guys I got my B2 visa stamped yesterday:)
Let me tell you I reside in Germany on student visa and pursuing my MS in Germany.
I applied my visa from Germany, Frankfurt city. It was scheduled at 9.15 am but i reached there at 8 am.
I entered at 8 am itself and they took my fingerprints and asked me to wait for my turn.

8.10 am I got my call

VO: Good Morning!!
Me: Good Morning!!
VO: what is the purpose of visit to US?
Me: to visit sister and brother in law
VO: for how long and when are you planning to go
Me: 3 weeks in April
VO: In which city will you stay?
Me: gave the name of the city
VO: when did u come to Germany and what do you do in Germany?
Me: i study MS and came 2 years back
then i showed my university letter and sponsor letter and other supporting documents
VO: what's your plan after MS?
Me: will return back to India and will stay back with my parents
VO: y? don't u like Germany? you don't want to work in Germany?
Me: No!!
VO: your visa has been approved :) and you will receive it in 3 working days:)
Me: thank you!! have a nice day!!

i left visa embassy at 8:20 am

Advice!!
Don't forget to take supporting documents and sponsor letters!!
Be confident and show him you won't stay in their country!!

Best of luck everyone!!