Some questions about starting a relationship with a "Player" "Flirt"?

He sounds like a cool dude with a fun sense of humor. I like the blood type remark. It sounds like he has a nerd side to him. That is always a good sign. I will say this: proceed with caution. Use your best judgement to watch for "red flags" such as over pressuring for , a girl he is being secretive while in communication with, etc.