The concern rarely arrives as a single clear moment. You notice things – a shift in mood, a pattern of late nights, a son or daughter who seems less present than they used to be – and you find yourself wondering whether you are seeing the early signs of a substance use problem, or whether you are simply watching someone move through the turbulent years of young adulthood. That question — “Am I reading this right?” — is a reasonable response to a genuinely difficult situation.
She still has a job. Attends family dinners, mostly. Keeps her apartment in reasonable shape. But her mother has noticed that plans got canceled more often, that something seems slightly off in her attention during conversations, and that she is harder to reach in the evenings. When her mother raises it, the answer comes quickly: stress from work, bad sleep, nothing serious. And her mother half-believes it, because the visible evidence of a crisis – the kind that removes all doubt – is not there. This is where many families get stuck: in the gray area between noticing something and knowing what to do about it.
What separates normal experimentation from a substance use problem in young adults?
Normal experimentation in young adults tends to be event-driven – tied to social occasions, specific stressors, or periods of transition. A substance use problem develops when use shifts from being an occasional response to external events to becoming a regular way of managing ordinary daily experience, such as sleep, mood, anxiety, or the simple discomfort of an ordinary Tuesday.
The shift families usually cannot see
There is a threshold that matters more than frequency, more than which substance is involved, and more than how much is used on any given occasion. It is the shift from event-driven use to maintenance use.
This kind of use has an external logic. A young adult drinks at parties, uses something to get through exam week, smokes to decompress after a difficult stretch at work. Event-driven use starts and stops with the event itself. Maintenance use operates differently. It is what happens when a substance becomes the mechanism for feeling ordinary. Not high. Not euphoric. Ordinary. When someone needs a drink to fall asleep on an ordinary Tuesday, or needs something just to reach a baseline mood they used to reach on their own, the relationship with that substance has changed.
Families often can’t see this transition from the outside because the behavior that produces maintenance use can look identical to event-driven use. What changes is what the substance is doing for them — and the person often senses that shift before they can name it.
High-Functioning Substance Abuse in Young Adults: Why Appearing Fine Isn’t the Same as Being Fine
He has a job he shows up to. His grades are uneven but not failing. He still plays basketball on weekends. By most external measures, the signs of crisis are absent.
This is what clinicians who work with young adults consistently observe: surface functioning delays recognition – in the family and in the young person themselves. A young adult who is managing to hold things together – holding on to a job, maintaining some social connection, avoiding obvious disaster – makes it easy to dismiss the concern. Functioning at a reduced or effortful level is not the same as functioning well.
A young adult who is using substances regularly to maintain their baseline is often working harder than anyone around them realizes simply to appear ordinary – and the cost of that effort rises over time.
Signs worth taking seriously: If the pattern you are watching involves more than one of the following, a professional assessment is worth pursuing regardless of whether a visible crisis has occurred: substance use that happens alone and is not discussed; repeated broken plans or commitments without convincing explanation; noticeable changes in mood that follow a predictable pattern around use; a young adult who becomes defensive when the topic comes up; or a sense – from the person themselves, expressed or implied – that they have tried to cut back and found it harder than expected. None of these signs alone confirms a problem. Together, they describe something worth taking seriously.
Why waiting for a crisis is the wrong timing
Families often operate on the assumption that they will know when things are bad enough to act – that the situation will eventually produce a signal too clear to argue with. An arrest. A failed semester. Something that removes the risk of being wrong.
The problem is not that the crisis never comes. It is that by the time it arrives, the problem has had months or years to take hold, and the help that would have worked earlier no longer does. The period when intervention is most effective is precisely when a family’s concern is most likely to be met with “you’re overreacting” – by the young person, sometimes by other family members, and occasionally by a professional who has yet to see the full pattern.
One observation from clinicians in this field: a young adult who talks about their substance use with some openness is often in a safer position than one who has become secretive and ashamed about it. Secrecy and concealment are more reliable warning signals than frequency of use, because they indicate that the person already knows something is wrong, even if they can’t say so yet.
How to talk about it without closing the conversation
The conversations that shut down quickly are the ones that begin with a judgment. “You have a problem.” “You need to get help.” “I know what’s going on.” These are statements that require the young adult to either agree – which may not be possible before they are ready – or turn defensive, which moves the conversation away from honest reflection entirely.
Conversations that leave an opening tend to begin with specific observations rather than diagnoses. Not “I think you’re drinking too much,” but “I’ve noticed you seem flat lately even after a good day – what’s that been like?” Not “Are you using?” but “What does your relationship with alcohol or drugs feel like to you right now?” These questions invite the young person to locate themselves in the concern, rather than position themselves against a label. This does not mean avoiding the issue. It means raising it in a way the young adult can actually respond to, instead of one they have to defend against.
Questions families often ask
How do I tell the difference between stress behavior and a substance use problem?
The most useful distinction is whether use is tied to identifiable external events or has become detached from them. Stress-related use typically subsides when the stressor does. A pattern that continues – or intensifies – independently of what is happening in the person’s life is a more significant signal than any particular incident or how much is used on a given occasion.
My family member says they can stop any time. Should I believe them?
Possibly, but the test is not the statement – it is what happens when they try. A young adult who says they could stop but hasn’t, or who has tried and found cutting down harder than expected, is telling you something important — whether or not they realize it themselves. Intention and capacity are not the same thing.
Is a professional assessment the same as committing to treatment?
No. An assessment is an evaluation of what is happening and what level of support, if any, is appropriate. It does not commit the young adult to any particular course of action. Many assessments conclude that brief counseling or monitoring is all that is currently needed. Assessment answers the question your family is already trying to answer – with clinical tools rather than uncertainty.
When Professional Help Is Needed
If repeated conversations have not changed the pattern, if the young adult has tried to cut back on their own without sustained success, or if substance use has begun to affect emotional stability, relationships, work, or education in ways that are now noticeable – these are the conditions that typically indicate a need for professional assessment rather than further waiting.
A primary care physician or a licensed counselor is a reasonable first step. For young adults whose substance use has developed alongside anxiety, depression, emotional instability, or social withdrawal – and where the pattern has continued despite genuine attempts to address it – residential support that addresses both substance use and the underlying conditions may be the appropriate level of care.
The goal of an early conversation is not to force a decision. It is to make sure the decision – when the young adult is ready to make it – does not have to be made from a harder place than necessary.
You don’t have to figure this out on your own. rtor.org’s free Resource Specialists can help you think through what you’re noticing, understand what a professional assessment actually involves, and find the right next step for your family — whether that’s a conversation, a referral, or something more.
About the Author: Wade Dupuis is the founder and Managing Director of Siam Rehab in Chiang Rai, Thailand. In 2006, he opened the first Western-facing addiction treatment clinic in Asia and has since led residential rehabilitation programs for international clients for over two decades.
Siam Rehab works with young adults whose substance use has become a pattern rather than a phase, including families seeking residential care for those whose use has become entangled with mental health concerns: siamrehab.com/rehab-for-young-adults
Photo by Anete Lusina: https://www.pexels.com/photo/bearded-man-having-beer-with-friend-5239525/
The opinions and views expressed in any guest blog post do not necessarily reflect those of www.rtor.org or its sponsor, Laurel House, Inc. The author and www.rtor.org have no affiliations with any products or services mentioned in the article or linked to therein. Guest Authors may have affiliations to products mentioned or linked to in their author bios.
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