Low Fat

I am done with all my paperwork and I'm doing the low fat/exercise routine 30 days out from surgery. I am having SO much trouble with the low fat thing. My body always feels horrible on this type of diet. I've always done better on Atkins or something like South Beach. This by far is the hardest test yet!! Anything BUT low fat!!!! I have NO IDEA what to eat. lol Well, I know what to eat, but it's HARD! Sorry, just had to vent.