Argghhh..depression?

im 12 going to 13 nd thers this boy in skool that keeps saying those "iloveyou" to me but when my clasm8 asked him who does he like he says he still like my clasm8 wat shud i do beleive or not coz he keeps telling me "its tru i really love you" u know that its 2 frustrating for me 2 believe, gives me HIGH PRESSURE