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Not true. Not everyone goes through it and not everyone gets the white slip. I was approved on my interview day and I got my visa status changed to approved the next day. Got my passport back in two days. 

You were not eligible for a K1 if you were already married.
 
Did you marry before you filled out the visa application and attend your visa interview?
 
Did you tell the CO you were single or married?
 
 
 
 
 
 
 

Thank you everyone for your replies and thoughts put into helping out - including the cynical questions! I can't sum up my life in a post, I tried to focus on what is relevant. Here is a clarification to help make some points clearer: 
 
1) I am an educated woman. I have an undergraduate degree from an American university overseas. I can speak English and organize my questions  
 
2) My spouse's sister lives in my country. She knew that he wanted to marry someone from home, she arranged for us to meet. We spoke for 2 years before I move here. Unfortunately, I came to find a different man. Most of what I was told was a lie or empty promises. 
 
3) We got religiously married overseas and were legally registered in my country. I knew the seriousness of having to file for a marriage certificate here within 90 days from the embassy and the airport officer. As time was leading up to 90 days, I packed up and was ready to leave until he took me to file for it. In reality, we were already married. This was just a matter of showing intent to make me legal here or not. That's when his intentions were becoming questionable to me. 
 
4) "No one can force any adult to do anything." That's what an observer would say. When you are home, without money, driver license to drive, bank account, credit card, and anything else really.... A lot can change. Please don't comment on that part if you have not lived it yourself. No one enjoys any kind of abuse. 
 
5) Finally, as for my stay here vs going back home.  I was engaged for 2 years to this man. I left my house, my job, and everything to move here with him. You may have heard of divorce stigma and my culture lives on it. I really don't want to start over and face an old fashion culture at no fault of my own. It's a difficult situation for me no matter how you see it. 

At the bottom of the CR1 visa reads the I 551 sentence giving you permission to work
some embassies use a I 551 stamp
so,  check the passport for either of these

I got it in 5 days after applying