An effective stress strategy is to associate yourself with optimistic people, because if you associate yourself with positive people, there's a more likely chance that the positive energy will create a better environment for your body and to help feel better :)
I'm not familiar with first aids but I'm assuming some sort of antibiotic a bandage and or tape along with cotton swabs but hey I'm not a doctor
From what I learned it health class it’s 60%
A. Because if he prepared the food himself there is a high chance the food will go bad faster because he did not but it.