Cats can purr for various reasons, using the soft rumble as a way of communicating and as a form of self-soothing or even healing. This is why cats will often purr when they're injured, or after a stressful event.
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 :)
Nutrition food and diet contorl over all health
<span>Decline in grooming, sudden mood changes, and extreme changes in sleep or appetite, bloodshot eyes, secretive behaviours and nosebleeds, Unusual smells on clothes or breath,</span>
I think it might be A but I'm not sure