Something small happens, and you carry it around all day. A remark, an old disagreement, a possibility that hasn't happened yet. You keep returning to it, trying to find an answer. An hour later, you're tired and the situation hasn't changed.
It can help to notice how you're thinking before continuing. Not every thought needs an immediate answer, and imagining something doesn't mean it will happen.
Paying attention to a difficult feeling
Fear, jealousy, and regret are uncomfortable, but they don't have one explanation in every situation. Fear can alert you to danger. Regret may prompt you to repair a mistake. Sometimes a feeling stays with you because you keep repeating a thought, or because something in your life needs attention.
Feeling bad doesn't automatically mean you're thinking incorrectly. You may be exhausted, dealing with a painful experience, or in need of support. You can notice your thoughts without blaming yourself for everything you feel.
The hot oven example
The video uses the example of putting a hand near a hot oven. Pain tells you to move away. It's a useful image for attention: sometimes we become so occupied with explaining what we feel that we overlook something we could do now.
Emotions are more complicated than heat, though. Sadness doesn't have a single switch you can turn off. You may need rest, a conversation, or a change in your circumstances. Observing your thinking can help you see part of the situation; it doesn't explain everything by itself.
The thought you keep returning to
Suppose someone hasn't answered your message. What you know is that they haven't answered yet. “They don't care about me anymore” is an interpretation. It may be true, or they may be busy. Noticing the difference gives you room to wait or ask, rather than spend the day treating a possibility as a fact.
Sometimes there's a clear decision to make, and postponing it won't help. At other times, you've gone over the same question so often that thinking isn't giving you any new information. You can pause and return to something in front of you: your work, a meal, or the person you're talking to.
Making room for rest
The aim isn't to prevent thoughts or force yourself to feel positive. Pretending to be happy when you're struggling may leave you more tired. Try noticing whether your thinking is helping you choose a useful action, or simply keeping you occupied.
This attention won't become a habit overnight. You'll forget, then notice again. You might realize you've spent half an hour replaying an argument and decide not to continue it right now. You don't have to solve everything before allowing yourself to relax and enjoy an ordinary moment.
If sadness or anxiety persists and affects your sleep or daily life, speak to a qualified professional. Watching your thoughts can be part of caring for yourself, but it doesn't replace treatment when you need it. Don't stop prescribed medication without consulting your clinician.
Start with one situation. Notice what you know, what you're imagining, and whether there's a practical step you can take. If nothing needs doing now, you can leave the question for a while and give some attention to the life you're actually living.