Hey Jeni! You can do it!
i found a non-fat greek yogurt at Central Market (i live in texas, but i know whole foods or other specialty stores carry it... you can probably google too) called Fage. I mix a tiny bit of honey or even sugar free jelly in it. It has 20 grams of protein per 1 cup serving... so 10 if you only eat 1/2 cup. I have found that it helps me make it to lunch.
also, from my adkins days, i have returned to the fat free ricotta for a bit of sweet, and good source of calcium and protein. Just some ideas.
i ate 4 hersey's kisses today, so i too am feeling guilty. it's amazing, i know better, i just couldn't say no. tomorrow will be a better day!