The gift that my girlfriend gave me for our anniversary has left me feeling angry and disappointed.
Is she aware that you are mad about the gift? What can you do about it?
She knows for sure, but if I take action now I will be wasting my energy
I understand that you don't like the gift, but you should be grateful for any gift that you receive. Your girlfriend probably put much thought into finding the gift for you and they are probably very hurt that you didn't like it.
They just don't understand that I wanted something different. They should try and put themselves into my shoes.
I think you should put yourself in her shoes and then you might realize that it's wrong to be at her for his as you put for effort to get you a gift. It's unfortunate that you don't like what you received, but you should show more graciousness and be appreciative to have someone who cares about you enough to get you a gift.