I am so proud of you for taking this step to better your health and your life. Your going to do just fine in your journey. You have already done an amazing job with loosing weight on your own, so I know in the end your going to look great.
I'm praying that the Lord guide your surgeon hands while your in surgery, making sure that it will be an uneventful one and I'm going to be praying for a speedy recovery for you.
Please make sure that you call and let me know how things went once you are home and well enough to talk.