Grinding pleaseee answer !!!(:?

So im 14 and im going to a dance party, and there's grinding. I've done it before but im not confortable yet. All the guys at my school seem to be "found" of me and all of them like me and I don't wanna let them down. Im one of the more popular ones and I have an outgoing personality and I really don't wanna look stupid,im not looking to have sex. just to be A better grinder. So please anytips((:<3