If you are reading this because you cannot stop thinking about someone, I want to start by saying that nothing is wrong with you, and that you have not failed at anything by being here. How to stop thinking about someone is a question people ask when the thought has been playing for days in the background like a radio in another room, and the first honest thing to say is that you cannot order a thought out of your head, though you can change how much room it gets.
I also cannot tell you what the other person is thinking, or whether they are thinking of you at all, and neither can a card; that part is not available to either of us. What is available is your side of it, the habits that keep the thought switched on and the small things that turn it down, and that is where almost all of the relief tends to live.
Why the thought keeps coming back
There is a reason that trying not to think about someone makes you think about them more, and it has nothing to do with weak will. When you tell your mind to avoid a subject, it has to keep checking that the subject is avoided, which means it keeps touching it, like pressing a bruise to see whether it still hurts, and so the thing you are pushing away gets rehearsed a dozen times a day.
It also helps to know that attention follows anything that feels unresolved. A conversation that stopped halfway, a look you could not read, a message you did not send, each of these leaves a small door open, and your mind returns to open doors the way you return to a tap that is dripping. That is a very ordinary way for a mind to behave, and it is not a sign that this person is meant for you.
What the thought is usually made of
When I look closely at the people who write to me about this, the thought is rarely about the whole person. It is usually a few scenes on repeat, the last time you laughed together, the way they said your name, the evening that almost went somewhere, and the mind plays those scenes in their best light because the best light is the one that feels most like hope. I would guess that you are not missing a person so much as a version of a few good minutes, and that is easier to carry once you can see it clearly.
There is also the part that is about you. Thinking about someone gives you somewhere to put your attention that is warm and slightly dramatic, which can be a real comfort when the rest of the week is plain. If that sounds a little true, it is nothing to be embarrassed about, it only means that the thought is doing a job, and you can find that job another place to be done.
Small ways to turn the volume down
Give the thought a time rather than a ban. Choose ten minutes in the evening, sit with a cup of tea, and think about them on purpose, writing down whatever comes. When the thought arrives at two in the afternoon you can tell it kindly that it has an appointment at seven, and you will be surprised how often it accepts, because a mind will let go of a thing it knows it will get to hold later.
Change what the thought runs into. Memory is stubborn about places and routines, so the walk you always took while thinking about them, the song, the app you check, are all triggers that have been practicing for months. Moving one of them, a different route home, a different playlist, your phone in another room for one meal, loosens the loop faster than any amount of willpower, because you are working with the habit rather than against it.
And give the attention something with edges. A short run, a dish you have to follow a recipe for, a call with a friend who will talk about their own week, anything that asks for your hands or your voice, is better than a distraction that leaves your mind free to wander back. If you want to read more about the pull of a thought like this, limerence and why you cannot stop thinking about them goes into it gently, and how to stop overthinking in a relationship has a few more ideas for the loops.
When it still comes back
It will, on some days, and that is allowed. A thought that returns on a Tuesday after a quiet week has not undone the week, it is only a sign that you are a person with a long memory and a capacity to care, and what matters is what you do in the next ten minutes, not whether the thought arrived. Most people find that the gaps get longer without anyone announcing it, and one day you notice you went a whole afternoon without the radio on.
If the thinking is making it hard to sleep or eat or get through your days, it is worth talking to a doctor or a counselor, who can help in ways a journal post cannot. That is one plain sentence and not a worry, just the kind of help that is there for exactly this.
What is worth doing today
Today, decide on the ten minutes. Pick a time this evening, put a notebook next to the tea, and give the thought its appointment, and when the appointment is over, close the notebook and do something with your hands. If you would like company in it, you can pull a card in a free reading and ask what is yours to look after right now, which will be about you and nothing else.
You have been carrying this with more patience than you are crediting yourself for, and the fact that you came looking for a way to put it down says you already know that the next good thing is on your side of the table.
Clara
