<p>I went through periods both in college and graduate school when I was miserable and felt like I had no friends. For me the solution was to get busy - join other activities, do more school work, make sure I spent a minimal time alone in my room feeling sorry for myself. </p>
<p>That said, I agree that it would be good to encourage her to talk to someone there - counseling, resident head whoever. This may just be a situational depression, but it could also be more serious.</p>