Hi, Susan, and "welcome" - I put that in quotes because this is not a "club" anyone wants to join, but welcome nonetheless. We'll try to help. Meantime this is an excellent place to vent, and get new ideas, and see what has/hasn't worked for others.
Quote: I'm at a point where I feel like leaving him.
Although your marriage is QUITE young, I don't think it's at all unusual that you find yourself in this situation. Referring to your quote above, what do you think he'd do if you told him this flat-out? It may be that you'll have to put your M on the line to get him to see how serious his behavior is...