I can't stand cat's. I have bad allergies to them.
It is very common for humans to have cat allergies. It is an allergic reaction to cats.
Their hair gets all over my clothes and my couch. I watched a friends cat once over the weekend,
It is frequently caused by the glycoprotein Fel d 1, which is secreted by the cat's sebaceous glands. I hope you don't suffer too much.