I'm Confused Please Answers!!!?

Ok heres the girl I Love very much she even talk to me in mobile and shares thinks about her and her family one day i asked her birthday she wasn't telling and aksed me why do u ask it? i Told her just to wish u. She told that I will tell u the day before my birthday.
She is elder than me. After that call for 20 Days i didn't call her I just sms'ed her.
When i called her back she asked me why no calls.
We used to flirt. While speaking to her silent may be there for sometimes. She asks me anything else . she cares me.
she even give me missed calls.
problem is she doesnt even sms me or call me.
When is asked her mail id she told me that i will sms u and not sms'ed me.
She Works in the same commercial where i'm but different floor & Office .while crossing my office her eyes will be searching me.
is she trying to make me confuse or she's trying to make me propose. i think she expects something from me.
I love her very much. She is my world , everthing.
why she do's this?
Pls help me

I used to send sms like this:
Smile Always
Not full of life is reasons to smile.
but your smile is the reason why i smile.

uh could you please re format this is very hard to understand