anyway....

im hanging out with my best friend tomorrow. me and him are extremly close and we are kinda in that stage of considering if we should go out or not. all our friends say we already act as if we do. we just need to make that official. but my question is since were going to be watching a movie and he puts his arm around me i know to put my head on his shoulder. but er what if he trys to kiss me? and i swear its not past him there is a good chance he will. i have never kissed anyone before and im scared ill mess up and he will think im stupid....help