Emotional Suppression: How Holding In Your Feelings Affects Your Body, Mind and Relationships

Keeping a calm face does not keep a calm body. Emotional suppression, or holding in your feelings, is one of the most common ways people cope with stress. When we hold back the outward signs of an emotion, research shows the body often becomes more stirred up, not less.

Most of us learned to do this early. We swallowed tears at the dinner table, kept our voice even when a parent was angry, or smiled through a meeting while our stomach churned. It can look like composure from the outside. Inside, it is a different story.

In this post, we look at what emotional suppression is, what the research says about its effects on the body, mind and relationships, and why so many of us learned to do it. Then we turn to a way forward: practical steps for loosening the habit and finding safer ways to feel and express what's inside.

What is emotional suppression?

Emotional suppression means holding back the outward expression of a feeling once it has already started. Psychologists call it expressive suppression: the tears don't fall, the voice stays level, the face stays still.

It can be deliberate ("don't let them see you cry") or so practised it happens automatically. It is different from strategies that change the feeling itself, such as reappraisal, where we reframe a situation so it upsets us less. Suppression works later in the process. The emotion is already underway; we just stop it from showing.

Suppression is not always harmful. There are moments when it is wise to hold a reaction in, and cultural norms around expression vary a great deal. The concern is when it becomes the main or only way we handle strong feelings, especially in close relationships.

The effects of suppressing emotions on the body

Hiding a feeling takes effort, and the body pays for that effort. Decades of lab research point to the same pattern: the face goes quiet while the stress system speeds up.

The stress response switches on. In classic experiments by James Gross and Robert Levenson, people watched upsetting films and were asked either to watch normally or to hide their reactions. Those who hid their feelings showed less facial expression but more activation of the sympathetic nervous system, the body's fight-or-flight branch. This was seen in signs such as blood pressure, blood-vessel constriction and skin conductance, and it has been replicated across ages, genders and emotions. (Roberts, Levenson & Gross, 2008).

Stress hormones can rise. Studies also link suppression to higher cortisol, the body's main stress hormone. In one experiment, women asked to suppress during a stressful task had higher cortisol than a comparison group (Jentsch & Wolf, 2020). A recent meta-analysis pooling 24 studies found that suppression modestly increases cardiac, blood-pressure and hormonal stress reactions (quantitative review, PMC).

The feeling itself doesn't go away. Suppression reliably hides an emotion, but for painful feelings like sadness or disgust it usually does not reduce how strongly we feel them inside (Gross & Levenson, 1993). We end up carrying the full emotion, plus the work of hiding it.

The body braces. Many people who habitually hold back describe tension in the jaw, throat, neck, shoulders or stomach. This is a common clinical observation rather than something lab studies have measured precisely, but it fits what we know: holding still and silent against a strong urge to cry, shout or speak uses muscles.

How suppressing emotions affects your mind and relationships

Suppression doesn't just tax the body; it can also tilt how safe or threatening life feels. Some of this is well established, and some is how researchers and clinicians currently make sense of the evidence.

The brain reads the body's signals. The brain constantly tracks what is happening inside us: heart rate, breathing, muscle tension. This is called interoception. When suppression raises our internal stress signals while nothing outside looks dangerous, the brain may treat that arousal as evidence that something is wrong. Many clients describe exactly this: a vague, hard-to-place sense of unease that lingers after a tense conversation.

Hiding feelings uses up mental resources. Keeping a straight face is a full-time job. Studies show that people who suppress remember less of what happened during the conversation and do worse on memory tasks (Richards & Gross, 2000). With less attention to spare, it is harder to read a situation accurately, and an ambiguous look or tone is easier to misread as hostile.

It changes the people around us. Emotional expression is a signal to others. In one study, when one person in a conversation hid her feelings, rapport dropped and her partner's blood pressure rose too (Butler et al., 2003). Research with couples found similar effects, including higher cortisol in both partners (Peters & Jamieson, 2016). When others feel more distant or uneasy with us, we sense that too, and for humans, disconnection itself registers as a threat.

Chronic stress shapes the threat system. Long-term stress and elevated cortisol are known to affect brain regions involved in fear and memory, such as the amygdala and hippocampus. Suppression is one of several ways stress can become chronic, which helps explain how a lifelong habit of holding back can leave someone feeling on edge more of the time.

Why do we suppress our emotions?

Nobody suppresses for no reason. For most people, it began as a sensible response to their surroundings.

A child who saw that tears made a parent angry, anxious or distant learns to stop the tears. A teenager whose frustration was met with punishment learns to keep a level voice. Workplaces, cultures and gender expectations can add their own rules about which feelings are acceptable to show.

In those settings, holding back was protective. It kept the peace, avoided rejection or made a hard situation easier to get through. The difficulty is that the habit tends to outlast the situation that created it. Years later, the body may still brace and go quiet in safe relationships, with a partner, a friend or a therapist, as if the old rules still applied.

Seeing suppression this way matters. It shifts the question from "What's wrong with me?" to "What did I need to protect myself from, and do I still need that protection now?"

How to stop suppressing your emotions: a way forward

The goal isn't to express every feeling, everywhere, all the time. It's to have a choice. Holding back can still be the right call in some moments, as long as it isn't the only option you have. These steps can help build that flexibility.

1. Notice what's happening inside

Suppression often runs on autopilot, so the first step is simply noticing it. A clenched jaw, held breath, tight shoulders or a sudden urge to change the subject can all be cues that a feeling is being pushed down. A few times a day, pause and ask: What am I feeling right now, and where do I feel it?

2. Put it into words

Naming an emotion, even silently, helps make it more manageable. "I'm frustrated." "I feel hurt." "I'm nervous about this." Writing about difficult experiences in a private journal is another low-risk way to let feelings out without an audience.

3. Start expressing in safer places

You don't have to begin with the hardest relationship. Practise with a trusted friend, partner or support group. Start small, with a sentence like "That actually upset me more than I let on." Each time expression is met with understanding, the nervous system gathers new evidence that showing feelings can be safe.

4. Change the meaning, not just the face

Suppression works on the outside of an emotion. Reappraisal works earlier, by looking at the situation from a different angle so it stings less, for example "My mother's criticism says more about her worries than about my worth." Compared with suppression, reappraisal has been linked to lower inflammation (Appleton et al., 2013), better physical recovery after stress (Jentsch & Wolf, 2020) and smoother conversations (Butler et al., 2003). It isn't about pretending things are fine. It's about finding a view that is both true and less painful.

5. Find the right support

Patterns learned early in life are hard to shift alone, and that's not a weakness. Therapy offers a relationship where feelings can be shown and met with steadiness rather than anger or withdrawal. Over time, this helps widen your window of tolerance: the range of emotion you can feel without shutting down or becoming overwhelmed.

A therapist may help you understand where the habit of holding back came from, notice how it shows up in your body, practise expressing feelings at a pace that feels manageable and bring those skills into the relationships that matter most.

Making room for what you feel

Most people who hold their feelings in learned to do it for good reasons, often in relationships where showing emotion didn't feel safe. In that light, all that holding back has been your body's way of looking after you.

But protection that never switches off has a cost. The good news is that the nervous system can learn new patterns. With patience, support and practices that meet the body where it is, it becomes possible to feel, and to say, what was once held back.

If this post resonates with you, whether you notice constant tension, a sense of always being on guard, or distance in relationships you care about, talking with a therapist can help. You don't have to untangle it alone.

You don't have to have it all figured out. Let's take the first step, together.

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