1. Adult cats only mean to humans. 2. Cats rub against your legs to make you smell like a cat. 2. Mostly, ginger cats are male. 3 out of 4 gingers are male. (But exceptions have to be made). 3. If being stared at, a cat feels uncomfortable. 4. All kittens are born with grey is blue eyes but the colour changes as they grow up. 5. A cat's brain is similar to humans.