howdy, and yes, the feeling is absolutely normal. i'm from Texas orignally, and had lived in Ft. Lauderdale for 6 years before coming here.
sold car, house, packed everything i owned or shipped it, and arrived on a Sunday morning and tried to learn how to drive on the other side of the road.
At many points along the way, i questioned myself......"what the hell i am thinking"? "This ain't Kansas"! It's another country.....and they don't have ribs or baseball.
I have found the friendly natives at the local public houses are always happy to share in your misery or celebration, so that helps.
as soon as you arrive, book a weekend trip (with "easy jet"....same as southwest airlines) to some exotic sounding European city and you'll know why you came.
Besides, you get to collect T-Shirts along the way.