Im in love with this guy at school and my friend told him i like him now he wont talk to me what do i do?

Hi i really like this boy in my school and i liked him for 3 years ever since he told me he loved me but it has been 3 years and i don't really know if he likes me anymore and then i told all my BFF about my crush and they all said "oh go tell him" but im really shy and i cant tell him so 1 of my friend said ill tell him for you and i said ok tell him! and we made a plan of how she will tell him and the bell rang and school was over as i went out side i saw my friend talking to my friend and i hid near my friend and i heard my friend telling him and when my friend said coney likes you he blushed and told my friend "you idiot i knew that" but how does he know? i really like him and some people said to tell him it was a lie but i really like him and wanted to tell him someday and that day was that day my friend told my crush for 3 years. and i really wanted him to know that i like him but he wont talk to me and im really shy and hes kindof shy to. i only have one cl together on friday in last cl. and i remeber when he told me he liked me i ignored and did not talk to him for about 2 months is that what he is doing to me back? plz help me and i really like him and i want to talk to him like tommorow but im really bad at telling my feeling i really want him to know i like him and i dont want to lie to him IM REALLY IN LOVE WITH HIM FOR 3 YEARS!!!!