It's not hard to keep yourself healthy and in shape. the two most important things to keep yourself healthy is exersice and an appropriate breakfast. It's not nesessary to run a marathon or do a deep workout. A light jog is enough to keep you health everyday. Breakfast is important to keep your mind functioning properly. Making healthy life choices is also important.
The answer is B. celiac disease. Celiac disease is an immune disorder. When someone with the disease eats any food containing gluten, the immune system creates antibodies and gets rid of the gluten but at the same time attacks the small intestine.
In this situation you should report what you have seen, get an adult to deal with the problem. You would not want to interfere yourself, just because it could be hazardous.
As for the partner question, just find anyone else to answer and write what they say
