Physically your body is on campus, but emotionally you're connected to friends, family, long distance partners, and strangers off campus. Use technology to meet new people on campus, not to hide from them.
As an international student, it was hard to relate to people who didn't understand the setting I came from. I'd sometimes find myself using a word from my language that didn't have a direct translation in English. Or feeling the need to reference something from back home.
What is home, anyhow? I was lonesome for Europe for 30 years after returning to the States. Finally I am back here. Sometimes it's hard, but sometimes it's glorious. What does it matter when or where we die?