Happiness vs Marraige

So I’ve only been married for a little over a year and It has been the worst time of my life, and I have been through bad relationships. My husband had been acting “normal/nice” to me for about two weeks now but prior to this he barely said 2 words to me or my children. So besides him continuously pursuing other women our entire marriage, he has been a completely butt hole. After going through all of this for year, he starts being nice for a week and I start questioning myself as far as leaving. WTH is wrong with me!

He’s also in the Military so if anyone have any advice as far as separation/ divorce from a military member let me know !