This is referred to as DOMS, Delayed Onset Muscle Sorenes. The exact mechanism is not understood, but DOMS appears to occur due to connective tissue microtrauma.
A- she should tell her that she is not fat and if she loses to much weight serious medical problems can come out of it just always be there for her.
B- you should tell her and her boyfriend that you feel like this is not gonna work that you feel like you are gonna get caught and end up in trouble just be honest.
C-when he is talking to Craig don’t be harsh because he might have forgot about it just tell he how you feel and hope he gives it back.
Answer:
Your body can fight the disease off before you it makes you sick.