Questions About Flooding and Timeouts

Most couples have tried taking a break during an argument. Most of them have also concluded that breaks don't work, because they took a five-minute one, came back still activated, and the fight picked up exactly where it left off. That experience is real. The conclusion drawn from it usually isn't.

There's a physiological floor involved, and it's longer than five minutes. Dr. John Gottman describes a state he calls flooding: when your heart rate climbs to roughly 100 beats per minute during conflict, your ability to process what the other person is saying drops sharply. According to Gottman, the reason a short break fails is chemical. The main stress neurotransmitter involved, norepinephrine, has no enzyme in the body that breaks it down, so it has to clear through the bloodstream, and that takes around twenty minutes or more.

So a five-minute break isn't a failed break. It's a break that stopped before the thing it was supposed to fix was finished. The questions below are for the parts couples usually skip: agreeing on how long, what counts as actually standing down, and how to come back without restarting.

A timeout and a walkout look the same from across the room. Someone says something, someone leaves. The difference is almost entirely whether the person staying knows the other one is coming back, and that difference is not small. One is a pause. The other is the beginning of a pattern where hard conversations stop happening because leaving ends them.

Gottman's guidance on this is unusually concrete for relationship advice. The break should be at least twenty minutes and no more than twenty-four hours, both partners should agree on when they'll return before anyone leaves, and the time away should be spent doing something that actually relaxes you rather than replaying the argument. He also suggests agreeing on a hand signal for calling it, which sounds trivial and works better than it should, partly because it's hard to deliver a hand signal with contempt.

Worth knowing: stonewalling and flooding are related but not identical, and they need different responses. Flooding is a body state. Stonewalling can be that state showing up on the outside. If someone in your relationship goes quiet during conflict and you've been reading it as not caring, it may be the opposite. Elevated heart rate and stress hormones during conflict showed up in people who looked checked out, not less involved. That's a different thing to respond to than indifference, and it responds to space far better than to pressure.

These questions are meant for the calm conversation, not the flooded one. One question asked while you're both regulated does more than ten asked while one of you is still at 100 beats per minute.

The flooding explanation here comes from Dr. John Gottman and Dr. Robert Levenson's research on couples in conflict, including the finding that heart rate climbing past roughly 100 beats per minute during conflict makes it much harder to process what a partner is saying. The twenty-minute figure and the reasoning behind it (norepinephrine clearing through the bloodstream rather than being broken down by an enzyme) come from the Gottman Institute's own writing on physiological self-soothing. The note about people who appear to shut down showing elevated physiological arousal comes from the same body of work.

Two honest limitations. First, this research is largely observational, drawn from laboratory conflict discussions, so the specific numbers should be treated as useful guidance rather than a precise threshold that applies to everyone. Sleep, stress, and health all shift where a person's flooding point sits. Second, the twenty-minute figure describes the fastest typical path back to baseline, meaning it is a floor and not a guarantee. If you're coming back and the same argument restarts immediately, you came back too early, and the honest move is to take longer rather than to push through.

For further reading on the broader pattern, stonewalling in relationships covers why shutting down happens during conflict and why it isn't the same as not caring. How to fight fair in a relationship goes into breaks and re-entry in the context of a whole conversation.