Child dependant outside uk under SWV

made application nov 26

bio - Dec 5

request for additional doc :Dec23

responded Jan3rd due to the holidays

since then no update or email

I have done paid call 3 times and they keep telling me it’s awaiting decision .

The wait is killing me i just want to know if it’s normal for this to take this long as the normal decision period is 3 weeks or any advice would be appreciated .Thank you