Oh what a shock, well it seems to have been, but perhaps there was something that you felt wasnt quite right, From your update it seems that you have always put him first so I am so glad that you have now done something positive for you. Its not a one way thing a marriage and I am quite sure that the fights are not all your fault.
There are a lot of girls here with experience of these problems - let them help you and advise and support you. I hope things will be a little clearer in the monring.