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

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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!