Why Do I Feel So Much? Signs of a Highly Sensitive Person (HSP)
By Mandy Lam, LCSW, LCAT, MT-BC | Mindful Roots Collective
Why do I feel so much? Why am I so sensitive?
If these questions have been sitting quietly in the background for you, you are not alone. You might be a highly sensitive person (HSP), someone whose body picks up on subtle shifts, emotions, and unspoken dynamics before the mind can make sense of it. What gets labeled as “too sensitive” is often a deeper awareness, not something that needs to be fixed.
Maybe you've spent years trying to turn down your own volume. Moving through a world that seems to run on a frequency you can't quite match. Going to a party and coming home exhausted even though you genuinely had fun. Walking into a loud restaurant and needing a few minutes in the bathroom just to breathe. Crying at a commercial while everyone else scrolls past it. Feeling other people's emotions like they're your own.
What if that wasn't a flaw? What if it was just who you are, and always has been?
What Is a High Sensitive Person (HSP)?
In 1996, research psychologist Dr. Elaine Aron published The Highly Sensitive Person, introducing a concept that finally had a name for what so many people had been quietly experiencing their whole lives. She identified a trait called Sensory Processing Sensitivity (SPS), a nervous system difference, not a disorder, present in roughly 15 to 30 percent of the population.
Aron describes it using the acronym DOES:
D for Depth of processing. HSPs don't just observe; they reflect, analyze, and sit with things longer.
O for Overstimulation. When you're picking up on everything, you tire more quickly.
E for Emotional reactivity and Empathy. Feelings run deep, and you feel others' feelings as if they're your own.
S for Sensitivity to subtleties. You notice things others walk right past.
This is not a personality quirk or something that happened to you. It is biological. It is innate. As Aron herself notes on her website: "Your trait is normal. It is found in 20% to 30% of the population, too many to be a disorder, but not enough to be well understood by the majority of those around you." In fact, researchers have found this same trait in over 100 species across the animal kingdom, from fruit flies and birds to dogs, cats, and primates. It reflects a survival strategy: being observant before acting.
It is also, in many cases, inherited. If you're reading this and recognizing yourself, it's worth wondering whether a parent or grandparent moved through the world the same way.
Are Highly Sensitive People Just Shy or Weak?
One of the most important things Aron pushed back on was the language used to describe HSPs: shy, timid, inhibited, neurotic. Labels that missed the mark entirely, and often caused real harm.
Thirty percent of highly sensitive people are actually extroverts. The hesitation that gets read as shyness is often something closer to careful observation. HSPs pause before acting, not because they're afraid, but because they're already processing ten layers of a situation before most people have noticed the first one.
And yet, in a culture that prizes confidence, speed, and emotional stoicism, that kind of depth gets pathologized quickly.
Aron put it plainly: "We are a package deal. Our trait of sensitivity means we will also be cautious, inward, needing extra time alone. Because people without the trait do not understand that, they see us as timid, shy, weak. Fearing these labels, we try to be like others. But that leads to our becoming overaroused and distressed."
The attempt to manage the sensitivity, to shrink it, hide it, push through it, is often what creates the most suffering. Not the sensitivity itself.
What It’s Like to Be a Highly Sensitive Person in New York City
Now imagine carrying all of that into the subway at rush hour.
New York is extraordinary. It is also relentless. The noise, the pace, the density of human energy on every corner, the sense that stillness is somehow a failure to participate: it can be genuinely dysregulating for a highly sensitive nervous system in ways that are hard to explain to someone who doesn't experience it.
An HSP in NYC might notice things like: coming home from a full day of work or socializing feeling wrung out in a way that doesn't seem proportional to what happened. Needing long stretches of quiet to recover, and then feeling guilty for not wanting to go back out. Getting overstimulated in ways that look like irritability or anxiety from the outside. Struggling in open-plan offices, loud social settings, or environments with a lot of competing sensory input. Feeling deeply moved by the city's beauty (the light on the water, a stranger's kindness, a busker playing something unexpectedly gorgeous in a subway station) and then immediately overwhelmed by the next block.
It's not that the city is wrong for you. It's that you feel all of it, the remarkable and the grating, the transcendent and the exhausting, in ways other people may not. That's a different experience of the same place, and it deserves to be understood as such.
Is Being a Highly Sensitive Person a Strength?
Aron's work is clear that high sensitivity has always served an evolutionary purpose. HSPs have historically filled what she describes as the "advisor" role in societies: the writers, therapists, philosophers, historians, teachers, and artists who slow down and see what others don't. The ones who "stop the majority from rushing ahead," as she writes.
This resonates deeply with how Susan Cain frames a related quality in her 2022 book Bittersweet: How Sorrow and Longing Make Us Whole. Cain defines what she calls a bittersweet temperament as "a tendency to states of longing, poignancy, and sorrow; an acute awareness of passing time; and a curiously piercing joy at the beauty of the world."
She goes further: "Whatever pain you can't get rid of, make it your creative offering."
Cain argues, and I find this beautiful, that the capacity to feel deeply, to notice beauty alongside difficulty, to be moved by what others brush past, is not sentimentality. It is a way of being that generates connection, creativity, and meaning. She noted that in writing Bittersweet, she realized it was, like her earlier work Quiet, about "a way of being in the world which, properly understood, is like a superpower, but that normal culture does not recognize as such."
This is not a fringe idea. It is supported by research showing that HSPs, when they have had positive early experiences and supportive environments, demonstrate higher levels of empathy, creative thinking, and moral conscientiousness. The nervous system that makes the subway feel like too much is the same nervous system that makes you the person your friends call when something hard happens. The same system that makes you a deeply attuned partner, parent, clinician, or colleague.
Why It’s Hard to Accept Being a Highly Sensitive Person
Here's the part that's worth sitting with: knowing this about yourself intellectually doesn't automatically change how it feels to live it.
A lot of highly sensitive people I work with have done the reading. They've taken the quiz on Aron's website. They've watched the TED talks. They can articulate their trait clearly, and still find themselves apologizing for needing quiet, still wondering why they can't just push through, still carrying a low-grade shame that has been building since childhood when someone first told them their feelings were too much.
That gap, between understanding and embodied acceptance, is where therapy lives.
In our work together, we can explore where the story of "too sensitive" first took root. Often it was absorbed early, in families or school environments where big feelings weren't welcomed, or where being sensitive was equated with being a burden. Parts-based approaches like IFS (Internal Family Systems) are particularly useful here, because they help us get curious about the parts of us that have been working overtime to manage or hide the sensitivity: the part that intellectualizes, the part that overachieves, the part that apologizes before anyone asks.
We can also work somatically, noticing what your body does when it's approaching overload, and building a relationship with that rather than a strategy for suppressing it. This is different from "coping." It's closer to becoming fluent in your own nervous system's language.
And because sensitivity is biological, the goal is never to change it. It can't be changed. The goal is to move from a place of conflict with yourself toward something closer to collaboration: understanding what you need to function well, advocating for it, and building a life that doesn't require you to constantly fight your own wiring.
High Sensitivity in AAPI and Immigrant Communities
For many of my clients who come from immigrant or AAPI backgrounds, there's an added layer here. In many East Asian cultural contexts, emotional expression and sensitivity have long carried a particular kind of stigma. Toughness, endurance, and not drawing attention to one's inner world were often survival strategies passed down through generations. Being told you were "too sensitive" in that context can carry extra weight, because it can feel like you're failing not just personally but culturally.
What I've found, clinically and in my own life, is that sensitivity often runs quietly in these family lines. It just gets expressed differently, or suppressed more thoroughly. Naming it, and giving it its proper context, can be profoundly relieving for people who have spent a long time believing something was simply wrong with them.
How Therapy Can Help Highly Sensitive People
If any of this resonated, if you've spent years navigating a world that feels designed for a different nervous system, I want you to know that therapy can be a place where you don't have to do that.
Not a place where you'll be told to toughen up or push through. A place where the full texture of your experience is welcome, and where we work together toward something that actually fits who you are.
I work with adults in New York and New Jersey virtually, and I'd love to connect with you. You can learn more about my approach here or reach out to schedule a free consultation.
Your sensitivity isn't the problem.
It never was.
Mandy Lam is a licensed clinical social worker and creative arts therapist (LCSW, LCAT, MT-BC) in NYC, trained in EMDR, IFS, and somatic approaches. She specializes in anxiety, AAPI and immigrant identity, and highly sensitive adults. She offers sessions in English, Cantonese, and Mandarin.
