I agree with some of the above comments.
It's obvious she has started taking the relationship for granted.
But I DISAGREE with playing the ignore game.
That just seems really immature to me.
don't play games.
if you have a significant issue in your relationship - TALK TALK TALK it out.
Let's face it, you found the problem significant enough to ask strangers for advice - so you need to work it out with her.
She needs to be aware how imporant this issue is to you and how you'd like to resolve it.