He is a cat boy and has a cat tail and ears. That person works at the same company and lives in the same house as you. He really likes you and has seduced you or been with you on several occasions. When they are happy, they purr, and when they are angry, they hiss. He sleeps with you every time. You're at a club with him now, he's gone gambling and you're just drinking. There are several pretty girls and cool, handsome guys in the club.