I feel weird i dunno why?

Well ok i will be straightforward. there was this girl i always liked who i met on the net we were talking for ages like and we asked each other out. now i know shes who shes says she is cuz I've got proof of that so i'll be careful. i guess what i wanna say is. i haven't had a girl friend b4 and we are gonna meet sometime within the next few weeks. i feel Really Happy,I feel like i can't think properly, cuz you see im nervous i might mess up. yet im nervous about the whole thing but i definitely wanna do it. Any tips how to calm down im suddenly Wide awake my hearts beating fast.. Have i got a problem? or am i just weird?