Communication is key, but there may be more going on here. Is there a chance that the depressing and stressful elements of your life have seeped into your relationship a bit? Maybe they have for a while? Maybe that’s affected his mood?
It’s rare that spouses just become hostile and belligerent overnight for no reason. And while it is certainly possible that something in his life is getting him down, I think it is important that you take a step back and examine your actions as of late and how they might have impacted the way he approaches you.