2 weeks post op

Well im all new to this. I just recently had my surgery 2 weeks ago. I feel terrible! I am so nauseas im having hard time staying hydrated! Ive already gone to the doctors twice for some fluids, i feel like such a loser i was so excited for this and now i guess im just having a rough start. I'm having a very hard time trying to find stuff that tastes good to me and that will not make me even more nauseas. Has anyone else ever experienced this? I feel hungry yet sick. Im starting to second guess myself im hoping i made the right decision, i am excited to be skinny but is this all worth it? Not like i can go back and change it now...Blah i feel so down! Please help!