How do I know when to cut someone off?

One line first, before everything: if this person controls you, demeans you, or frightens you, that isn’t a cut-them-off question — it’s abuse, a different thing, and it deserves real backup rather than tips. The advocates below answer day and night, confidentially, even if you only want to talk it through.

For the ordinary hard cases — the draining, negative, one-sided relationships — the community walks a sequence, not a checklist.

First, say it once. Bring the disrespect up plainly and give the relationship a chance to be a misunderstanding — some people genuinely don’t know how they’re landing, and some readings are anxiety’s. The cut is for patterns that survive being named. One honest tell rides along: people who get angry at your first-ever boundary are usually the ones who profited from you having none.

Second, check the mirror. “Toxic” is easy to say and not always mature — if the same friction follows you across groups, or every critique of you is an attack while every irritation with them is toxicity, look inward first. Being open to that question is exactly what separates you from the people worth walking away from.

Then trust the instrument. After the conversation and the mirror, the steadiest evidence is how you consistently feel: heavier around them, lighter without them, held over time. Your friends’ quiet distance from this person counts as data too — and so does the guilt that arrives after a cut, which the community pre-names as expected weather, not a verdict.

If they keep telling you that things you saw or heard did not happen, write down what happened, privately and with the date, and stop trying to win the argument. Keep your own record when they say it never happened opens with a safety note, and it comes first here. If this person also controls your money, your movements or who you see, threatens you or hurts you, or you are afraid of them, that may be abuse, and denying your memory is one of the ways it can work. In the US, the National Domestic Violence Hotline is free, confidential and open all day and night: call 1-800-799-7233, text START to 88788, or use the chat on thehotline.org. In the UK, the National Domestic Abuse Helpline is free and open 24 hours on 0808 2000 247. If you are in danger right now, call 911 in the US or 999 in the UK; elsewhere, call your local emergency number. If this person can get into your phone, computer or accounts, they may be able to see what you search for, write or save. The Hotline says phone and computer use can be monitored without your knowing, suggests a safer computer at a library or workplace, and says its advocates can help you take precautions with technology. If it has left you thinking about ending your life, call or text 988 in the US, or call Samaritans on 116 123 in the UK, free, any time.

The Hotline describes it as a form of emotional abuse: a partner questions your reality and says things did not happen, even when you know they did, so that you begin to question your own feelings, instincts and sanity, and it tends to happen gradually. Not every denial is that. Some people warn that forgetting or misremembering is not gaslighting, and that one incident, with someone who is usually straight with you, is a reason to start with a calm conversation about what each of you remembers; one person says the mark of it is a pattern in which the other person gains something by changing the details. Some people also warn that denial and accusation can come from memory loss such as dementia, and the NHS says that if you are worried about memory problems, it is important to talk to a GP sooner rather than later.

Some people say that writing events down keeps you from doubting your memory, and one says the point is to reassure yourself, not to confront the other person. A line is enough each time: the date, what happened, what was said, and what they said afterwards. One person suggests keeping it in a separate place, such as a journal, a phone or cloud storage, that the other person cannot reach or delete; if this person can get into your phone, accounts or home, a record they can find may make things worse, so keep it where they cannot, or ask an advocate before you start. One person warns that showing your notes in the middle of an argument can backfire, because someone who is good at this can treat your attempt to prove your point as evidence that you are unstable or overreacting. Rules on recording a conversation differ from place to place, and in some places recording without the other person’s agreement is illegal, and the page does not cover them, so check yours before you record anything. Some people say a response that often helps is to stop arguing, keep contact to what is necessary, or put distance between you, because arguing feeds it. People disagree on staying flat and unemotional: one person says a boring manner gives the person nothing to feed on, and another says only getting away stops them. Leaving needs somewhere to go, and the advocates at the numbers above help people plan it. Some people say an outside view from friends, or honest self-reflection, helps rebuild trust in your own judgement, and that therapy helps you process what happened. If you are afraid of this person, or they can read your phone or your things, the notes here are not enough: skip them and use the numbers above first. If it was one forgotten incident, this is not the page for you, and it does not cover work, relatives who are not partners, or the case where you cannot cut contact because you share children.

The deciding frame comes from one person who had lived it all the way through: there is no painless option. You’re choosing between the pain of them staying and the pain of separating and growing healthy — and only one of those pains ends. The pages below walk each step at whatever pace is yours.