"I'm Only Hurting Myself": The Perimeter That Is Smaller Than You Think

This is one of the habit’s most effective defenses: it turns a social problem into a private one. “I’m not hurting anyone else. It’s my body, my choice, my business.” The autonomy argument is appealing because it sidesteps the moral dimension entirely. If no one else is involved, then no one else gets a say.

The difficulty is that someone else is almost always involved.

The secondhand effects

Research on alcohol’s harm to others has documented a wide range of effects on people who are not the drinkers themselves. An Australian report estimated that millions of people experienced some form of harm from someone else’s drinking, including being kept awake, being made to feel afraid, being verbally abused, and having their property damaged [1]. A New Zealand survey found that people who had a heavy drinker in their lives reported lower wellbeing and poorer health status, with effects that persisted even when the drinking was not in their own household [2].

These are not rare or extreme cases. They are the ordinary, everyday consequences of living near a habit that the person doing it calls private.

The impact you do not see

The most insidious effects are often the ones that do not show up as incidents. They show up as absences.

A review of family members’ experiences across two decades of qualitative research found consistent themes: worry, uncertainty, self-blame, social isolation, financial strain, and the gradual erosion of trust [5]. These are not dramatic harms. They are slow, quiet subtractions from the quality of someone else’s life.

Children are particularly affected. A review of the impact of parental substance misuse found effects on emotional development, school performance, attachment and the child’s own risk of developing substance problems later [3]. The mechanisms include inconsistent parenting, family conflict, role reversal (where the child takes on a caretaking role), and the simple absence of a parent who is present in body but not in attention.

A fictional example

The following is an illustrative example, not a real person’s story.

Dan smokes cannabis every evening after his daughter goes to bed. His reasoning: “She never sees it. It doesn’t affect her at all. I’m only hurting myself.”

• What Dan sees: A quiet evening habit that happens behind a closed door.
• What his daughter notices: Dad is less available for bedtime stories that run long. Dad is groggy in the morning. Weekend activities get canceled when Dad did not sleep well. The house smells different sometimes, and she does not know why.
• What his partner notices: The mental load of managing the household shifts further onto them. Conversations after nine o’clock are with someone who is not fully present. Planning anything that requires Dan to be sharp in the evening has quietly become impossible.

Dan is technically correct that the physical act happens alone. The effects do not.

Why the perimeter matters

“I’m only hurting myself” serves a function: it keeps the decision within the domain of personal autonomy, where it is easier to defend. The moment the habit is acknowledged to affect other people, the calculation changes. It is no longer just about what you are willing to accept. It is about what you are asking others to accept.

Family intervention research has found that including family members in the treatment process improves outcomes, suggesting that the social dimension of the problem is also part of the solution [4]. The habit is not just a private matter, and the recovery often is not either.

Mapping the real perimeter

If “I’m only hurting myself” is a thought you rely on, try mapping who else is actually touched:

1. Partner or spouse. How has the relationship changed since the habit escalated? What do they worry about? What have they stopped asking for?
2. Children. What do they see, hear, or sense? What activities have been reduced or eliminated? What version of you do they get in the morning?
3. Close friends. Have they mentioned the behavior? Have they stopped mentioning it?
4. Colleagues. Has your performance, reliability or mood at work changed?
5. Your future self. This is the person who inherits the consequences. They count too.

If the map shows that you are genuinely the only person affected, then the autonomy argument has more force. If it shows a network of people absorbing subtle costs, the perimeter you drew was too small.

For the closely related thought that minimizes the behavior itself, see “It’s not hurting anyone”. For the thought that minimizes the consequences rather than the audience, see “It’s not that bad”.

When to get more support. If someone close to you has told you that your habit is affecting them, take that seriously. You do not have to agree with their assessment to have a conversation with your GP. Family-inclusive approaches to treatment have good evidence behind them, and many services offer support for affected family members too. In the US, SAMHSA’s National Helpline (1-800-662-4357) offers free, confidential referral. In the UK, your GP can direct you to local services, and Al-Anon (020 7403 0888) supports family members of people with drinking problems. If you are in distress, call or text 988 in the US, or contact Samaritans on 116 123 in the UK and Ireland.