I think the most profound lesson I learned in Texas is that adventure (and living in a culture radically different than your own) is not scary, is not dangerous, and is not necessarily expensive. It may seem strange to call Texas a radically different culture than southern Indiana, but when all you know is Midwest, English speaking, white people . . . Texas is worlds away.
I came away from our time there with a confidence that I could communicate with anyone. A few words in a language (not your own) shows respect, a commitment to relationship, and a true interest in those around you.
I also learned that it is important to find people and a place where you can worship regularly.
And food . . . I definitely learned to eat like a local. Find the places where the locals go and eat there, buy food in the local markets, and get a cookbook so you can try out food on your own.