Why are black cats more aggressive? Well, they are not.
Read more about black cats and if they are aggressive here: https://animalsa2z.com/areblackcats...
Or about if black cats are weird here: https://animalsa2z.com/whyareblack...
Do you know everything about your cat? Maybe a DNA test is something for you?
Check it out here: https://animalsa2z.com/klik/dnatest