How do I prove I can change?

I'm in the same position as your girlfriend. I know my boyfriend made a lot of mistakes and made me mad at times. I never told him what was wrong because I didn't want to make him upset or ruin the day we are together. He told me once he will never change for anyone not even me. I didn't believe him at first but he prove me wrong.

Like the other guys said its not that easy to change for someone. It's really up to you to decide if you want to stop with your anger.

In my opinion with that example you given maybe you can be a little bit patient. I tend to be like that too and gets my boyfriend frustrated. She would let you know about her feelings when she is ready. I don't think she will leave you hanging, either.

To add to what smittymd said, change doesn't happen overnight or in one month . The hardest thing for people to do is to change their habits, routines and what they are comfortable with .

Remember, anger is fear . Whatever it is that boils you over is the result in a deep fear .

For example, when I was younger I used to get angry anytime my mother talked about my father but it was a deep fear I had to open myself to realize who he is rather who I want him to be .

Just know that once you've accepted the fears you have, you're anger will be lighten . Good luck .

If it is an anger issue, then I think going to anger management therapy would show her that you are dedicated to changing, for her benefit and your's, and also will show the commitment you are willing to put into the relationship as you are taking such a drastic and face threatening action by admitting that you have a problem and then trying to remedy it .
In the end it is only you that can make the choice and no one else . It has to be you who is willing to take the steps and make the sacrifices . I hope my advice has been of some help to you and I hope that everything works out well for you .

I think that you need to want to change for yourself and not for her. If you change for her and she never gives the chance with her again, then where do you stand? If you really want to change then you have to do it for the right reasons. I think you should just move, there is plenty of fish out in the sea. You need to just live and learn from the experience and apply it to the next relationship. Good Luck

It's going to have to be an immediate change on your end . When your ready call her up and tell her you have changed . If she doesn't accept you back right away make sure to don't get hot headed until you get back with her . When you get back with her you going to have to calm down and it's going to have to be a consistent way of acting . If you find yourself about to blow up just walk away for a second to calm down . Let her know how your going to handle your anger also . Trust me