freaking out

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I just got my WLS date, and I am kind of freaking out. I am so scared about the surgery itself, not about the lack of food. I thought that I would freak out about the inability to eat my favoriate foods ever again, yet it is not happening. I am scared that something will go wrong on the table, or something like that. Has anyone had the RNY, did you feel the same? What was the best protein shake? How long was your recovery? Did you freak out as I am? Do you regreat your decision?