I just met this girl in the student center at school, she made eye contact a couple times so I came over and introduced myself, asked if she wouldn't mind if I sat down(she was studying), she said no in a nervous kinda way. So I sat down and we talked about the basics, hometown, major, etc. etc. We have the same major and similar classes so we ended up talking for like an hour. At the end I asked for her number, which she gave. I texted her saying nice to meet you, blah blah blah. She's yet to respond and she doesn't have a facebook or any of that kinda stuff. I dunno whats up because she seems REALLY shy and was reluctant to say anything on her own, but was very into the conversation at points. Since its so hard to read shy girls, is it possible she just isnt into me and doesnt wanna reply, or should I call or text again in the future or wait for a response?