So basically I met this girl and we went on a "date" but we more or less just hung out with other people around. But we had a bit more exclusive connection. Everything went well, and I even pseudo-invited her on another date, and she said she'd love to go. Its been pretty low-profile so far, but that's cool. We have a lot of uncommon common interests and I'd really like to get to know her a bit better. I used to have intimacy issues where I wouldn't let a person get too deep into my head, but I see a lot of that's changed since I relocated.
But to the point...

She said she'd call me back after she gets back from a business trip in 10 days. I know I might be being impatient but it's the 12th day. Should I be worried or throw a call at her?

Anybody help?

Can anybody give me some sound advice?