My partner smokes on the balcony — does that still expose me?

Far less than indoors. But residues come back via clothes and hair, so exposure isn't zero.

If I become pregnant, do they need to quit too?

Ideally yes, or at the very least never smoke indoors or close to you. Secondhand smoke raises the risk of prematurity, low birth weight and SIDS.

How can I talk to them without putting them on the defensive?

Start from how you feel, without judgement, propose shared rules rather than orders. And respect their decision if they don't want to quit.

Can a couple stay together when one smokes and the other doesn't?

Yes, millions of couples do. The key: clear rules, mutual respect, and open dialogue.

Living with a smoker when you don't smoke: secondhand smoke and balance in the couple

You don't smoke and your partner does? Here's how to handle secondhand smoke and the tobacco topic in your couple without breaking the relationship.

July 9, 2026 Aria

The scientific basis on quitting smoking was reviewed on a voluntary basis by Pr. Bertrand Dautzenberg , a tobacco specialist, in order to rule out gross, potentially dangerous errors. It reflects positions commonly shared by health professionals and health agencies, without always corresponding exactly to his thinking or his practice. He is not the author of this text; he has only carried out a vigilance review of it.

You don't smoke, your partner does. You've been navigating for years between acceptance, irritation, worry about their health, and that smell that clings to clothes and hair. You wonder what is fair to ask, and what crosses over into excessive control.

Here is a structured reflection — on secondhand smoke, health, the couple, and the line where your health ends and their freedom begins.

Secondhand smoke: what you take in physically

Living with a smoker exposes you to a cocktail of toxins, even when the smoke seems to clear:

~41,000 deaths/year in the United States are attributed to secondhand smoke in non-smoking adults.

American Lung Association, CDC

Thirdhand smoke: the side we often forget

Beyond the smoke you breathe, there are also tobacco residues that cling everywhere:

on the clothes, hair and skin of the smoker (brought back home, even when they smoke outside),
on curtains, carpets, sofas, walls,
inside cars,
in ventilation systems.

These residues, called thirdhand smoke, contain nitrosamines (carcinogens) that re-release into the room for months, even years.

Thirdhand smoke (surface residues) stays active for weeks to months and can re-aerosolise. Children and pets are particularly vulnerable.

American Lung Association

What you can reasonably ask for

You don't have to choose between putting up with everything and demanding they quit entirely: you can ask for a change in behaviour. Several levels of agreement are possible:

Smoke-free home

no cigarettes indoors, ever. That's the baseline, and it's fair. Even respectful smokers' associations recommend it.
Smoke-free car

especially if you carry children. Several countries, including France, have actually banned smoking in cars with minors on board.
Change of clothes after a cigarette if you have a particular sensitivity (asthma, etc.).
No cigarette in the bedroom, ever, even with the window open.
Regular washing of textiles that hold the smell (curtains, throws, etc.).

The conversation to have, without drama

When your partner is thinking about quitting

This is the most delicate scenario: you want to support without pushing, encourage without guilt-tripping. A few principles:

Don't offer — only offer if asked. The wish to quit has to come from inside.
If they ask you

help concretely (stop-smoking appointment, buying substitutes, emotional support).
Don't become the police. Don't count cigarettes, don't go through pockets, don't pull a face at every cigarette.
Brace yourself for relapses. Statistically they happen. React like it's a data point — not a personal failure for you.
Celebrate milestones without overdoing it. Your partner usually wants neither a big speech nor indifference.

And if you have children?

That's a whole other dimension (see M115). Briefly:

No cigarettes in the house or car, ever, non-negotiable.
Not in the garden if the children are playing there.
Not in the children's presence, even outdoors if possible.
Change of clothes before picking up the child (ideally).

This is one of the cases where you can move from suggestion to firm limit — a child's health is not a topic for symmetrical negotiation.

In United Kingdom

Your questions

My partner smokes on the balcony — does that still expose me?

Far less than indoors. But residues come back via clothes and hair, so exposure isn't zero.
If I become pregnant, do they need to quit too?

Ideally yes, or at the very least never smoke indoors or close to you. Secondhand smoke raises the risk of prematurity, low birth weight and SIDS.
How can I talk to them without putting them on the defensive?

Start from how you feel, without judgement, propose shared rules rather than orders. And respect their decision if they don't want to quit.
Can a couple stay together when one smokes and the other doesn't?

Yes, millions of couples do. The key: clear rules, mutual respect, and open dialogue.

sources

US Surgeon General, The Health Consequences of Involuntary Exposure to Tobacco Smoke, 2006 (and updates).
American Lung Association, Health Effects of Secondhand Smoke, updated 2024.
Cleveland Clinic, Secondhand Smoke: Health Risks & Prevention, 2025.
CDC, About Secondhand Smoke, updated 2024.