"Our fights were usually about the same things. Not calling when he said he would, not coming home when he said he would. Basically, I arranged my life around him and he did when it was convenient for him. The level of commitment was never equal.
I think basically, men are rather narcissistic. They really do believe that the world revolves around them. It's okay for him to have 'other' stuff to do when you're trying to reach him, as long as you don't have 'other' things to do when he needs to."
The writer says it all.