Why does it get more complex?

Ok I like A boy he said he hated me thinks im ugly and stuff yeah so i took someones advice on here and asked him out well i had a firend do it for me his cousen he told my firend that he already had a girlfirend is he lying to get me to think he is already taken so i couldnt ask him out again because he thinks im so ewww or is he trying to get me jealous or just trying to let me down easy please anwser!!!!!