Traveling changes the way you relate to others. Your life can truly become enriched when you develop friendships with others of different cultures. Traveling pushes you out of your comfort zone and teaches you the importance of embracing experiences and relationships that you may not otherwise have been comfortable with making.
If you're a coffee drinker, you know that you need a second cup (maybe a third?) halfway through your day. At least I did, and a lot of people tend to be that way - bless your heart if you can make it through with just one cup.