Are you getting enough ?

i had my surgery oct 5 and am doing good but like you cant get the food in totally..i have no problems with the fluids i get anywhee from 64-100 oz a day plus 2 8 oz glasses of skim milk...but the solid food is hard to get in i too feel full after 3-4 bites...my doctor doesnt want us using protein powder but i do o nt eh days i know i am extremly low on protein intake..your right too also hard to eat when you arent hungry