Husband leaves house for 12+ says he's walking , he leaves house comes back next day in average once every 3 to 4 weeks he as a cocaine and alcohol problem, he's 54 I'm 52 , I'm the only one working whilst he's on college courses, he's out now , it's been 15 hours, I dint believe anything he says , I've had enough, should I just serve divorce papers anyone else done it this way