The signs of a toxic relationship are often quieter than people expect. “Toxic” gets used so loosely online that it almost stops meaning anything — but in therapy, the word is more specific, and the patterns that matter most are rarely the obvious ones.
This is a working guide from Keeley Taverner, a Psychotherapist, BACP Accredited who works with people recovering from toxic relationships, narcissistic abuse and coercive control in Marlow and Uxbridge, and online across the UK. It's not a quiz, a checklist to “prove” anything, or a diagnosis tool. It's an honest look at the signs that, in clinical practice, turn out to matter.
What makes a relationship toxic?
Toxic relationship A relationship in which the day-to-day pattern, taken across months and years, leaves you smaller — more anxious, more reactive, less yourself — rather than safer and more whole. It can exist between partners, family members, friends, or at work.
Toxic isn't the same as difficult. Difficult relationships are part of being human. A toxic dynamic is sustained, asymmetric, and resistant to change despite repeated good-faith efforts on your part.
Warning signs of a toxic relationship
- You walk on eggshells around their mood
- You apologise reflexively, even when you've done nothing wrong
- Disagreements escalate quickly and rarely resolve
- You rehearse what you'll say before bringing anything up
- You feel responsible for managing their feelings full-time
- You're called “too sensitive”, “dramatic” or “crazy”
- Sleep, appetite or concentration have changed and you can't pinpoint why
Am I in a toxic relationship? The subtler signs
These are often the ones that arrive years before anything obvious happens, and they're worth taking seriously:
- Your sense of what's real keeps getting rewritten back to you
- Your “circle” has narrowed without you deciding it would
- Affection arrives after a withdrawal, not freely
- Apologies are vague (“I'm sorry you feel that way”) or come with strings
- You've stopped sharing good news because of how it's likely to be received
- You hide normal life admin — spending, friendships, plans — to avoid friction
- You're tired in a way that sleep doesn't fix
- You've quietly stopped doing things you used to love
None of these on their own prove anything. The point isn't to play prosecutor — it's to notice the cumulative cost. If you would have a hard time recognising the version of you from three years ago, that's information worth listening to.
What this is not
For the avoidance of doubt, the following are normal in healthy relationships and are not, on their own, signs of toxicity:
- Disagreement, even strong disagreement, that ends in repair.
- Different communication styles — one person more direct, the other more reflective.
- Going through a hard period — bereavement, illness, parenting a baby, redundancy — where you're both more reactive than usual.
- Pre-existing anxiety or depression on either side.
A useful test is whether repair is possible after a difficult moment. In healthy relationships, hard conversations can be hard and still bring you closer. In toxic dynamics, the conversation either never gets had or you come out of it doubting your own reality.
Where this overlaps with coercive control
Some of what gets called “toxic” online is also recognised in UK law as coercive control — a pattern that strips autonomy and erodes the self. Coercive control is a form of domestic abuse whether or not there's any physical violence. The signs above sit on a continuum: the further along you are, the more support sits outside therapy as well as in it (helplines, legal advice, refuge services, sometimes the police).
If reading the list above has set off a quiet alarm, please don't talk yourself out of it. Patterns like these are usually obvious in hindsight and almost never obvious from the inside.
Common questions people bring
“Is it me?”
Almost everyone in a toxic dynamic arrives convinced the problem is them. That's partly because you're the one taking responsibility — which is, ironically, evidence that you're not the problem — and partly because the dynamic itself has been telling you so. Therapy can help you see your part clearly (everyone has one) without taking on the share that isn't yours.
“Should I leave?”
That's not a question therapy answers for you. What therapy can do is help you stop performing “a relationship” for long enough to hear what you actually want, weigh the risks honestly, and make the decision with both feet on the ground. Some people stay and the relationship changes. Some leave. A good therapist won't push you in either direction.
“What if they go to therapy too?”
Therapy works when the person attending wants the change. It is not a delivery mechanism for change in someone else. Couples counselling can be useful when both partners are genuinely committed to the work; it's rarely the right starting point if the dynamic is coercive.
When a relationship becomes harmful: a practical next step
If anything here is landing, a free 30-minute consultation is a low-stakes way to talk through what's been happening and see whether specialist therapy would suit. You don't need to have decided anything — in fact, most people haven't. If you're searching for a toxic relationship therapist near you, sessions are available in Marlow, Uxbridge and online across the UK.
For more on how the work is structured, see toxic relationship counselling, narcissistic abuse recovery, or rebuilding confidence.
If the relationship feels unsafe in any way, please don't wait. The National Domestic Abuse Helpline is free and runs 24/7: 0808 2000 247.
My book on toxic relationships
Why Love Hurts
And why self-love is the key
Drawn from years of clinical practice with people recovering from toxic and abusive relationships, Why Love Hurts is a clear, compassionate guide to the patterns that keep us stuck — narcissistic abuse, codependency, people-pleasing, the loss of self — and a steady, practical roadmap back to self-trust.
Written for anyone who has ever asked "is it me, or is something genuinely wrong here?" — and for the friends, family and professionals supporting them.