Being sick, and not eating, coming back to food!

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I've been sick for the last four days and literally could NOT tolerate anything being swallowed. Taking my medication made me cry every time, so it wasn't just a, "Oh I don't feel like eating" type of sickness. Anyways, I'm wondering that since I've not eaten more than 300 calories in the last three days, does anyone have any tips on how to contain my will to feast on EVERYTHING when it comes time to be able to eat again (which I'm hoping is tomorrow) . I was able to drink chicken broth today and ate a few blueberries (but they burned so I had to drink the broth after eating them), thanks