~ Prabhgun Kaur, Intern
Have you ever received ten compliments and one negative comment, but somehow, the negative one is the only thing you remember? Someone might tell you, “You look great today,” “You did really well,” or “I’m proud of you,” but then one person casually says, “You’re not actually that good,” and suddenly that sentence keeps replaying in your head. You may think about it while studying, working, scrolling through your phone, or even before going to sleep. It seems strange that one sentence can have so much power, especially when there were so many positive things said.
But there is a psychological reason for this: our brains naturally pay more attention to negative information.
This is often connected to something called the negativity bias. Our brains are more sensitive to negative experiences because, from an evolutionary perspective, noticing threats was important for survival. If our ancestors ignored something dangerous, the consequences could be serious. Because of this, the brain became more likely to notice, remember, and react to things that felt threatening or unpleasant. Today, the “threat” may not be a wild animal or physical danger. It can be a harsh comment, rejection, criticism, embarrassment, or a message that makes us question ourselves. Even though the situation may not actually be dangerous, our brain can still treat it as something that needs attention.
There is also a difference between hearing a comment and believing it. A mean comment hurts more when it touches an insecurity we already have. Imagine someone who secretly worries that they are not intelligent. If someone says, “You’re not smart enough,” that sentence may hit much harder than it would for someone who feels confident about their abilities. The comment doesn’t create the insecurity from nothing; instead, it activates something that was already there.
This is why two people can receive the exact same criticism and react completely differently. One person may forget it within minutes, while another keeps analyzing it for days.
Another reason we replay negative comments is rumination. Rumination happens when the mind repeatedly goes over the same thought without actually solving anything. We might ask ourselves, “Why did they say that?” “Did other people also notice?” “Maybe they were right.” “What if everyone thinks the same thing?” The brain keeps searching for an explanation, but instead of finding closure, it often creates more questions. This can turn a few seconds of criticism into hours of overthinking.
The more we replay the comment, the more familiar it becomes, and something familiar can start to feel true—even when it isn’t.
Social media can make this even stronger. A negative comment can feel like it represents the opinion of everyone watching, especially when it is posted publicly. We may start checking how many people liked the comment, wondering whether others agree with it.
This can make one stranger’s opinion feel much more important than it actually is. We sometimes forget that people online don’t know our entire personality, our struggles, our efforts, or the context behind our lives. Yet we can allow a few words from someone who barely knows us to influence how we see ourselves.
So, what can we do when a mean comment gets stuck in our head? Instead of immediately asking, “Is this true?”, try asking, “Is this useful?” Not every opinion deserves equal importance. Consider who said it, why they said it, and whether there is any constructive truth behind it. If there is something useful, you can learn from it without accepting the insult attached to it. If there isn’t, you are allowed to let it go. You can also remind yourself of the bigger picture: one person’s opinion is only one piece of information, not a final definition of who you are.
Most importantly, remember that your brain remembering a negative comment does not mean the comment is true. It simply means the experience felt emotionally important. You don’t have to fight every negative thought or convince yourself that you are perfect. You just need to learn how to give thoughts the right amount of importance. A single mean comment can be loud, but it doesn’t have to become your inner voice. Sometimes healing begins when we stop asking, “Why did that person say this about me?” and start asking, “Why am I allowing their words to decide how I see myself?”