Sherbet has an upset stomach

Oh dear,  I am afraid I have a little bit of an upset tummy today.  I have decided to stay in bed until I feel better.  I do not feel like eating anything at all.  I wonder what it could be. I always eat healthy food so I cannot imagine what happened.  Maybe I ate a caterpillar in my salad by mistake!
Love from a poor little Sherbet Sheepx