((((Sad)))) You deserve peace & happiness, especially during the holidays. Staying won't guarantee you peace though, just like leaving during the holidays won't ruin your kid's lives either.
I just went back & read your older threads to make sure I remembered your story. Have YOU done that lately? That ALWAYS helps me because it's more than just the words - re-reading my own shares triggers the emotions I was having at the time of posting & I often remember other details I never included here, or other events happening around that time. It's a great reminder/wakeup call & helps a lot with my clarity of the situation.
You'll be ready when you're ready, it's not a race.
One thing is VERY obvious though. He continues to have zero accountability, zero desire to change, zero control over the way this disease is progressing inside of him.
ETA: Nice wheelbarrow HP! I love the FIRE!