A week and a half out and feel crappy

All the ideas of previous posters for getting in protein and fluids are great.

I would like to suggest that you are sick and trying to recover from both major surgery and infection.  Listen to your body - if you need to sleep then sleep.  Eating is generally not something the body likes to do when sick because digestion takes a lot of energy.  You will be fine with fluids only which will probably help with the headache - broth, jello, flavoured water (can use crystal light/mio in water to make popsicles) - You would probably also benefit from watered down orange juice as your electrolytes/blood sugar might be off.

Thanks for the advise. I'm sure I'm dehydrated and I am having a hard time fighting this infection which i never have problems with in the past. At least the surgeon said he'd like to see me ASAP to make sure everything is ok. Will let you know what happens.