First likeing of a guy-IN 6TH GRADE PLEASE HELP!!!!I HAVE NO IDEA WHAT TO DO DOES HE LIKE ME?

I like this guy his name is skyler i don't know if he likes me or not he lives on my block i've only known him for 1 or 2 months today when i was walking to the car with my mom we were going to the store he was walking by with a friend his name is skyler thats the guy i like hes only a year older then me and i'm friends with both of his sisters anyways he was walking to his house only 2 houses down from mine and he was walking backwords and looking at me and sorta smiled i think and you know how alot of people move their heads up and then back down for like hey or something thats what he did to me i think so i really dont know i think i like him when ever i get around him my stomic fills weird and i just keep smileing and i can't stop how do i know if he likes me or not????PLEASE help me i have no clue on what to do!!!!!!