Understanding what's happening to them.

The window of tolerance.

The zone where a person can feel something hard and still think clearly. Early recovery makes it very narrow, because substances were doing the regulating.

What it looks like at home:

• Above the window: fast breathing, jaw set, voice up, feet pointed at the door. Ready to fight or bolt.
• Below the window: flat face, one-word answers, gone behind the eyes.
• Inside it: they can disagree with you without detonating. That's the goal.
• It flips in a sentence. One question about money and the person who was fine ten seconds ago is gone.

What helps:

• When they're outside the window, the conversation is over — they just haven't said so. Nothing lands, because the part of the brain that processes what you're saying isn't driving.
• Say "let's finish this later," and mean it. Then finish it later.
• Stop reading it as being dismissed. You're being out-run by their nervous system.
• Give it twenty minutes. That's about what a flooded nervous system needs. Twenty minutes of being reasoned with does nothing.

Where it comes from: Psychiatrist Dr. Dan Siegel. The window widens with time and practice — that's most of what the work is.

A tool you can use tonight: Siegel's hand model of the brain — make a fist, thumb tucked under your fingers, and you have a two-minute picture of what "flipping your lid" means. Our team uses it constantly, and it's the easiest way to explain all of this to a kid.

Post-acute withdrawal (PAWS).

The months-long stretch where the brain rebuilds the chemistry it outsourced. It does not move in a straight line.

What it looks like at home:

• The first days are dramatic, then things settle and everyone breathes.
• Around week six or eight: irritable, sleeping badly, foggy, flat, snapping at nothing.
• Good week, bad week, good week, terrible Tuesday.
• The mood swings feel personal and pointed. They are mostly chemical.

What helps:

• Stop reading every bad day as evidence. Families see this and think: they're using again, or this isn't working, or this is just who they are now. Usually it's none of those. It's a brain doing repairs.
• Ask "is this a hard day or a hard month?" Track months, not moments.
• Treat their sleep like medication. Wrecked sleep makes every other symptom worse, and it is the one you can help protect.
• Say the pattern out loud: "week eight is famous for this." A thing with a name and an end date is less frightening.

Go deeper: The first 30 days sober · The first 60 days sober from alcohol · Alcohol recovery · NIAAA on alcohol use disorder

Healing the frontal lobe.

The part of the brain that plans, weighs consequences and stops you doing the stupid thing. Heavy substance use suppresses it. So does trauma.

What it looks like at home:

• Your family member can be brilliant and still make a decision that makes no sense to you.
• The part that would have caught it was offline.
• Plans that made sense on Sunday have fallen apart by Wednesday.
• They can explain exactly why it was a bad decision — afterwards. That's the part coming back online.

What helps:

• Sleep, food, movement, time and repetition. That's why the program looks boring from the outside. Boring is the treatment.
• Expect good intentions to arrive months before good decisions do. Judgment returns last.
• Don't read a lapse in judgment as a lapse in caring. Those are different parts of the brain, and only one of them is injured.
• Put structure where willpower used to go — same wake time, written plans, fewer open decisions in a day.

The book for this one: The Body Keeps the Score — Bessel van der Kolk. The standard text on what trauma does to a brain and a body.

Go deeper: Where trauma sits underneath it — EMDR · PTSD and trauma · EMDR International Association · NIDA on treatment approaches

Stages of change.

People move through five stages — precontemplation (no problem here), contemplation (maybe there's a problem), preparation, action, maintenance — and they move backward as often as forward.

What it looks like at home:

• You have the perfect argument ready. It doesn't work. It never works.
• They were doing so well, and now they're not. You think it's over.
• They agree with every word you say and change nothing.
• You notice you're doing all the wanting for both of you.

What helps:

• You can't drag someone from stage one to stage four with a good argument. Pushing a person in precontemplation usually pushes them further in.
• Going back a stage isn't the wheels coming off. It's a documented part of how change works.
• Meet them where they are, not where you need them to be.
• Ask instead of arguing. "What would have to change for you to think about it?" moves more than an hour of evidence.

Where it comes from: Researchers James Prochaska and Carlo DiClemente.

Go deeper: Signs someone needs IOP treatment · Am I an alcoholic, or just stressed?

Cross addiction.

The same underlying drive finding a new outlet. The brain isn't attached to the substance — it's attached to relief.

What it looks like at home:

• The drinking stops. Then it's the gambling app. Or the shopping. Or the gym, four hours a day. Or a new relationship that consumes everything.
• Families often celebrate the swap, because the new thing looks healthier.
• It usually arrives inside the first year, and it arrives with enthusiasm.

What helps:

• The question isn't "is this activity bad?" It's "is this being used to not feel something?"
• Raise it gently, and raise it in therapy rather than at dinner.
• Watch the function, not the label. How much, how often, and what happens when they can't.

The book for this one: In the Realm of Hungry Ghosts — Gabor Maté. On what the relief is for.

Go deeper: Individual therapy · Alcohol and anxiety: why drinking makes it worse · The ADHD and addiction connection