What you describe doesn't sound like anxiety to me. It sounds like anger, poorly directed and even more poorly controlled. Does he pull these stunts in public often? Are the children always there when he does it? Someday soon when the children are out of earshot I would tell him the situation has to change and then suggest couples counseling. If he refuses inform him you are going to get counseling on your own because you don't like the direction your marriage is heading.