Hon - how you feel is so so understandable and normal. My only concern is that if you go without eating too long it could really hurt you.
Consider seeing your doctor just to check in. S/he may suggest a temporarydose of meds, just so you can stay healthy. We need you and your pups need you.
"When I think of Mick Jagger still singing that he can't get any satisfaction in over forty years of being in the Rolling Stones, I have to conclude that he's either lying or not all that bright." -- Henry Rollins