AM I IN LOVE WITH MY BEST FRIEND PLEASE HELP ME!!!!!!!!!!!!

ok so this guy has been my best guy friend since 3rd grade im 13 now and going to high school in the fall he is totally amazing and hillarious and i cant seem to look at any other guy without seeing him he makes me smile every time i think of him without noing i start smileing without noing untill someone askes why im smiling and im like "waaa? i wasnt smilling." and if we are pushed together close my knees go week and there are these moments where all i want to do is hug and kiss him!! PLZ HELP