I'd like to write about my whole experience of my interview but I thought sharing the link below would be more helpful for those who are planning to apply for US visa. Just one thing you have to remember when being interviewed. "Tell the truth" and don't make up stories just to impress the consul. If you're given a chance to explain then explain. Lastly, there is no secret formula on how you can get a visa it's all about you and your status.
If you're schedule for an interview wear something formal casual attire. No cellular phones, digital camera, usb or flashdrive etc. so better leave your gizmos. No foods allowed inside. Prepare all your supporting documents and make sure to be in the embassy at least an hour before your scheduled interview so that you don't get panic.
For some common reasons why people can't get US visas