Apparently I'm Even More Boring Than I Thought

So today I went to a travel seminar on how to efficiently pack your luggage because in late June I'm going to Europe for 16 days (France, Spain, Italy, Switzerland, in case you were wondering). I'm *insanely* excited for this trip; going to Europe has been my dream since I could comprehend what a dream was. I've never been off the continent before, mainly just visiting different states. I've been to Disney World in Florida, Disneyland is California, Arizona to visit family and a day trip to Mexico (while we were in Arizona we just hopped the border into Mexico for a few hours). So, as you can see, I've never been anywhere that exciting or different so this trip is something I'm REALLY looking forward too. Since I've never been out of the country before, I thought it'd be a good idea to talk to some of my friends that have for advice. "Don't wear short shorts in Europe, don't wear cotton because you'll be washing your own clothes, don't overestimate the size of your hotel room because it WILL be smaller than what you think, and make sure you have an adapter" were the most frequent pieces of advice. What surprised me the most was the incredibly large amount of people I know that have been to Europe before. I mean, me and my friends are only 17! How are they such experienced travelers already? Is my life really THAT boring that I'm the only one I know that is that separate from the world where I just sit in my same old room in my same old house in my same old hometown never to leave or do anything exciting? I guess so.