I've never been in a relationship b4 and??...?

Me and this guy are super close to dating we just have 2 spend more time together. Anyways,....i just dont know HOW to be in a relationship cuz i've never been in one. And the fact that we are so close to dating scares the **** out of me. That i'm gonna have to start saying BOYFRIEND and being all cuddly, and going on d8's. ugh what is wrong with me is this normal?......how do i get ouf of my aual tactics?...