What does a man mean when he says ' I think we should cool it for a while'

So, been seeing this guy for a while, had some amazing dates, really got on well, very comfortable with each other, he said he really fancied me,... Show More

Oh another point, if he hated me that much why hasn't he deleted me off Facebook?
Thanks greeneyedgal, think you are right but its still driving me mad! Especially as I have to drive past his flat everyday, there are benefits to dating people who live far away! Am just angry now esp with him not responding to a friendly pleasant text!