My biggest fear was just doing something so independently. I felt like I had never been put so far out of my comfort before. Arriving in a new country where you don't know where to go, you don't have any friends yet and where nothing is familiar to you is very daunting. Luckily, once you get to your campus, you'll find approximately 30 other students feeling the exact same way! Bonding!
Also, after completing my year abroad, I can tell that I am a much more confident and assertive individual. Because I put myself out there and took the leap to study abroad, I now know how important it is to have that kind of bravery in my everyday life. I'm much more likely now to say yes to new adventures and challenges that once might've seriously intimidated me.