Need Some Love Advice..?

Not exactly love advice but more like this:There's this kid that goes to my school and i knew he exsited but i never payed much attention to him cause he had a girlfriend.i use to really like him but i didn't want to cause anything cause his girlfriend is my friend.ANYWAYS.. me and him have been saying hi to eachother in the halls latley and"psstt-ing"at eachother, things like that.today is the day the we really actually talked and he is really sweet.today after school - his friend came up to me and handed me a note.i didn't want to read it infront of him so i read it in the car and it said the sweetest things any guy has ever said to me it really made me smile.it said things like i can't stop thinking about you and your eyes are beautiful and i love how diffrent you are from everyother girl and he said he gets nervous when he is around me too(:but.. i don't no about the note.i think he should of ever done that because now everyrhing is going to be all awkward. And i hate that! now it's going to be awkward. i do like him tho soo what should i do tomorow??how should i approach him?i dont want to seem desperate i want to seem mysterious&sexy.should i even mention the note?what would you do?should go and talk to him?thanks, in advance!!!