Please call your L ASAP if you haven't done so yet. You must protect yourself and your kids if this was deliberate- even if it wasn't, since you're financially dependent on him, it's worth asking "what if he does this for real?" if it was a mistake this time.
He can't do this to you--
When the men on the chessboard Get up and tell you where to go; And you've just had some kind of mushroom And your mind is moving slow; Go ask Alice... I think she'll know.