Let's face it - right now he's either mentally ill and/or on drugs and/or in another affair.
I vote for all three! Listen to Ellie, and joyful, and Lin. All I can tell you is that his behavior isn't right. some may be triggered by losing his job, but one has to ask why that happened? Bosses hate to fire at Christmas, he must have had some serious trouble there, too, for that to happen! I don't think he troubles are limited to you, Lisa, in fact, I'm not sure you are even near the top! Protect yourself, and especially your kids, with everything that's available to you.