Hi - had my surgery a week ago and had some of the same questions - good for you having surgery so young - wish I had done this years ago -you are way ahead of the game! your nerves and questions are normal this suite helps a lot so keep reading! I am on the post op diet although I started "mooshies" a little early with no problems - I find as long as I don't overeat there is no problem at all with throwing up and for right now the hunger isn't there -they also give you meds for nasea - I havn't mourned food because I feel I will still be able to eat - just small portions -when I was constantly on a diet there were times when I hardly ate anything! the doctor decides when to fill based upon your hunger and weight loss - and I also don't want a lot of people to know but it does help telling some who you know will support you - a few people have said they were proud of me - so you never know- my doctor had me on carnation liquid breakfast no sugar added - it's easy to find, tastes good, and does the trick - the ready made kind is available from carnationbreakfast.com - best of luck and remember to keep asking your questions! - Meredith