Then she'll either respond with more or not. Be cool. Don't say to much. LBH's have a tendency to be too wordy in their responses.
Aren't you glad, now, that you didn't break down and contact her? You waited it out and now she's made the first move in a contact. Don't go crazy and make this out to be something more than what it is. I believe it is nothing more but a sneaky way to tempt check you. Don't give yourself away. You are the cool guy on campus all the girls want to date......you are confident and very looking gorgeous. Now, sound like that guy!
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!