I finally had my interview in London yesterday and thankfully my visa was approved. I was so happy I almost had a little cry on the way out of the Embassy!
My appointment was at 10.30am and I arrived at 10am to find a long queue of people waiting. I stood outside until 11am before they let me inside. On entering the Embassy building I was given a ticket and told to listen for my number.
After about 30 minutes I was called to a window. The lady behind the glass looked me up and down and said that I looked too young and too carefree to be married! She was really lovely and wouldn't shut up about her kids. She took all my original documents and then took my fingerprints too. All my paperwork was in order so she gave me back my x-ray and told me to take a seat and wait for my number to be called again.
I was only waiting for 5 minutes before I was called back to another window. The man behind the glass asked me to confirm my name and he scanned my fingerprints again. I was asked to raise my right hand and swear that I would tell the truth.
He then asked the following questions:
How did you meet your wife?
Where is she now?
What does she do?
Where will you live?
When were you last in the US?
Who is your co-sponsor?
He asked all of these in a really casual manner as he was flicking through all the papers. He was very light hearted and non-threatening.
He then said all my paperwork was in order and that I should receive the visa along with my passport in 3-5 days.
After that I paid for the courier service and left the Embassy by 1pm.
Thank you to everyone who has answered my questions and to everyone that posts on this site. It has been a great resource for me and a fantastic support system for what is undoubtedly a stressful and often frustrating process.