So the other day a girl im really really close "friends" with got mad at for whatever reason.
She knows that i want her to be more than just friends and actually we where on a good way a few weeks back.
Anyways... now she started to be very cold and distanced. I asked her what is wrong. She said she feels like im lying to her and im not being honest. She says im hanging out with other girls at work and she really hates that. I tried to explain to her that im just working with those girls because i HAVE to. There is nothing else going on with them.
She just replied "Well i dont care...just do whatever you want"

To me this is childish because she knows that i want HER and i dont unterstand why she is so cold now. Obviously she is jealous as fuck but she would never ever admit it.
So what is she doing now? She is trying to make me mad and jealous with another guy (she is 22 and he is 37) who also works in our place. (We are all co-workers) They are leaving every brake and hanging out all the time at work.
Im not really worried because he is married and has 2 children. There is nothing going on between them. She is just trying to drive me nuts. Its obvious because she makes sure that i see her together with this guy all the time, walking past my office and shit like that.

So what would you do?
Just to let you know, i been close friends with her for 2 years. We almost got together and a week ago everything was amazing. I dont really understand her behavior at all.To me it seems like she is really mad. But i know that i didnt do anything wrong so im not going to crawl up her ass and apologize for something i did not do.

My current "strategy" is to freeze her out. Im not texting, calling or pursuing her at all. Obviously she doesnt either.
Im ignoring her little show trying to make me jealous. I even go and hang out with that guy and joke around with him.
Of course its pissing me off but...
Do you think this is the right way to go or do you think i should give her some time and maybe contact her again in a few weeks?
Its not that easy to ignore her or to forget her because like i said i see her every day and we are working in the same company.

I would never accept such behavior from a girl. You can never have a relationship with someone who is jealous abouth such things. Living with her would be like life in prison. My suggestion is that you next her and find someone else. You don't have to FORGET about her, just tell her that "this is not going to work, so feel free to date that dude, whoever he is", and then you may add something like "we can be friends if you like" just to be polite.

I dont want to next her! And i know that she WILL come back some day. I spend almost 2 very close and intense years with her and i know she does not want to lose me. I feel like this is some sort of "test" to see how i will react.

My problem is just how to behave now? I see her at work every day. Should i let her know that im pissed off ? Should i just act like nothing happened? Should i just treat her normal? Ignore her and mind her nearness?

She's under your skin...not good. I would ignore her, if you accept that sort of behaviour then you are condoning it.

move on brother.

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Being RK.

Sometimes girls do this because you did not take charge of the situation and now she does not know what else to do other than ignore you.

What did you say when she said she doesn't care?

For now, ignore her.

I said something like "I dont understand why you are acting like this, can you please calm down and be nice again". Im not sure.

Again, i have no idea why she is making this drama now. I didnt do anything wrong, she just hates when im around those girls (its like 4 girl im working with and they are all young and quite good looking). She basically said im lying to her because i tell her i want her and act like i want her but still hang out with these girl all day long (even though she knows i HAVE TO). To me its childish behavior on her part...