Ok ive met him once and now i cant stop dreaming and thinking about him..?

Ok theres this ice marshel caled lee who i met one night at skating lol and i was flirting wth him and he was flirting back and i began to really like him, but then i found out his age.. and he found out mine.. he looked about 16 but thats ok because i ve been out wiv a 19 yr old b4 and he thought i was about 16 but im 13 and hes.. 21, i relly like him and i dream about him every nite and he wudnt stop staring at meon that night so i no he likes me, or did. hes all i think about and dream about and i wonna ask him out .but hes too old... i think im in love. and plz dont call me a slag 4 going out wiv a 19 yr old, im still a virgin and plannin on stayin that way 4 now. plz help me.. what should i do? Dont tell me to forget bout him! i need advice of how to ask him out nd stuff!!!!!