What does it mean when a guy says your not his type..?

i told this guy ive liked for a while that i have mad feelings for him n crap.. n i asked him why he dont like me, n he said im "not his type" but hes like in love with my friend, n were just alike..? me n her only dont look alike.. so i dont get how im not his type.. can anyone help me..? im really confused.. like when a guy dont like me i can usualy just brush him off.. but i just cant stop thinkin bout this one.. someone please help me!!