NO interest after ......?

okay, so finally had wit this man, we been talking for about 4 months and HE MADE ME WAIT...well, i finally did it, and umn, no im not interested in him @ all!! the was okay, but im top-notch, and used to having the best of both worlds, but now he is in love, what do i do? just tell him bluntly, hey im thru? this is why i dont wait, this is why i give it up on the 1st night, so there are NO feelings attached.... what should i do