Have you ever found yourself reacting to something happening today as though you are back in a moment from years ago?
Perhaps someone raises their voice and your heart begins to race. Maybe a delayed reply from a friend leaves you feeling abandoned. Perhaps you automatically apologise, go quiet, become angry, leave the room or try desperately to keep everyone happy.
Then, later, you may ask yourself: Why did I react like that? What is wrong with me?
I want to begin by saying this: there may be nothing wrong with you.
Sometimes, what looks like an overreaction in the present is a survival response shaped by the past. Your mind may understand that you are safe now, while another part of you is still preparing for danger.
So, why does the past keep showing up in the present? And how do we begin healing without blaming ourselves for the ways we have learned to survive?
Trauma is not only about what happened
When we talk about trauma, we often focus on the event itself. But trauma is also about what happened inside us afterwards.
It may have changed the way we see ourselves, other people and the world around us. It may have taught us that closeness is dangerous, that speaking up has consequences, or that we must always be alert.
Trauma does not always come from one significant event. It can develop through repeated experiences such as neglect, bullying, abuse, racism, domestic violence, loss, medical experiences or growing up in an unpredictable environment.
What felt unavoidable then may continue to influence how we respond now.
This does not mean we are permanently damaged. It means our nervous system learned ways to protect us. As PTSD UK explains, trauma responses can involve much more than simply fighting or running away.
The four common trauma responses
When the brain senses danger, the body can respond before we have had time to think. These responses are automatic. They are not signs of weakness, bad character or a lack of emotional control.
Fight
The fight response moves towards the perceived threat.
It might look like anger, arguing, defensiveness, controlling behaviour or needing to win. Sometimes anger becomes a protective layer over fear, hurt or powerlessness.
A person may think, If I stay in control, nobody can hurt me again.
Flight
The flight response tries to get away from danger.
This may involve physically leaving, avoiding difficult conversations, overworking, staying constantly busy or distracting ourselves whenever uncomfortable feelings begin to surface.
Flight can look productive from the outside. But sometimes busyness is not about ambition. Sometimes it is about never having to slow down enough to feel.
Freeze
The freeze response can leave us feeling stuck, numb or disconnected.
You may go blank in a conversation, struggle to make decisions, feel unable to move or find that your thoughts disappear when you need them most. Some people describe it as feeling outside themselves or as though they are watching life from a distance.
This is not laziness. It may be the body trying to reduce the impact of something it believes is too much to handle.
Fawn
The fawn response is often described as appeasing or people-pleasing in order to stay safe.
You may agree when you want to say no, apologise even when you have done nothing wrong, put everyone else’s needs first or become highly attuned to other people’s moods.
You may have learned, consciously or unconsciously, that keeping somebody happy is safer than expressing what you really feel.
None of these responses are the whole of who you are. They are strategies. At some point, they may have helped you cope with something that felt frightening, overwhelming or impossible to escape.
Why does the body remember when the mind wants to forget?
People sometimes say, “That was years ago. Why am I still affected by it?”
It is a fair question.
The answer is that trauma is not held only as a clear story in our conscious memory. It can also be reflected in body sensations, emotional reactions, beliefs and patterns of behaviour.
The body may remember the feeling of being trapped, unheard, watched or unsafe, even when the mind cannot recall every detail.
This does not mean that the body stores memories in a simple or literal way. It means the nervous system can learn associations. A particular tone of voice, smell, facial expression, place or relationship dynamic may resemble something connected to danger in the past.
Your body notices the similarity and responds quickly.
As Cleveland Clinic explains, the body’s fight-or-flight system can create powerful physical changes, including a racing heart, tense muscles and heightened alertness. After trauma, these reactions may appear even when the current situation is not dangerous.
Triggers are not always obvious
A trigger is not necessarily a dramatic reminder. It could be:
- Someone ignoring you
- A slammed door
- A particular smell
- Being criticised
- Feeling out of control
- Someone standing too close
- A change in plans
- Silence after you have sent a message
- Being asked to trust someone
- A sensation in your body, such as tightness in your chest
Sometimes the trigger is external. Sometimes it is an internal feeling that resembles the original experience.
This is why a reaction can feel confusing or “too big” for the situation. The nervous system is not responding only to what is happening now. It may also be responding to what the moment represents.
What do flashbacks really mean?
Many people think of a flashback as a vivid visual memory. That can happen, but flashbacks are not always pictures.
A flashback may be emotional. You suddenly feel the same terror, shame or helplessness you felt before.
It may be physical. Your body shakes, your chest tightens or you feel sick without knowing why.
It may be relational. You begin to believe that the person in front of you is going to abandon, attack or betray you, even though there is limited evidence that this is happening.
In that moment, the past can feel present.
This is why telling yourself to “just get over it” rarely helps. A nervous system in survival mode does not respond well to criticism. It needs safety, patience and support.
How can we begin healing?
Healing is not about pretending the past did not happen. It is not about forcing yourself to forgive, forget or become unaffected.
For me, healing is about developing a different relationship with what happened. It is learning to recognise the response, understand its purpose and gradually create more choice in the present.
Start by noticing, not judging
Instead of asking, “What is wrong with me?” you might gently ask:
- What happened just before I felt this way?
- What am I noticing in my body?
- Do I feel angry, frightened, numb or responsible for everyone else?
- Does this feeling belong entirely to the present moment?
- What might I need right now to feel a little safer?
Naming the response can create a small amount of space between the feeling and the action.
You might say to yourself, I am noticing a freeze response, or Something in me feels under threat, even though I am safe in this room.
That small pause matters.
Trauma-informed therapy creates safety first
Trauma-informed therapy does not begin with forcing you to tell every detail before you are ready.
It begins with collaboration, trust, choice and safety. A good therapist will want to understand what helps you feel in control of the work. You should be able to ask questions, slow down and say no.
Depending on your needs, therapy may include trauma-focused CBT, EMDR, body-based approaches, grounding techniques or work that helps you understand different protective parts of yourself.
The aim is not simply to help you cope with distress forever. Coping skills matter, but healing can also involve helping the nervous system recognise that the danger has passed.
Over time, painful memories may become memories rather than experiences you are reliving. You may still remember what happened, but it no longer controls every decision, relationship or reaction.
Healing is rarely a straight line
There may be days when you feel strong and hopeful, followed by a trigger that seems to take you backwards.
I do not see that as failure.
Healing often happens in layers. We may understand something intellectually long before our body feels safe enough to believe it. We may make progress in one relationship and still feel frightened in another.
The question is not always, “Have I completely healed?”
Sometimes a kinder question is, “Am I beginning to have more choice than I had before?”
Perhaps you pause before automatically apologising. Perhaps you notice that you are about to leave and choose to stay long enough to explain what you need. Perhaps you recognise that your anger is protecting something vulnerable underneath.
These are meaningful steps.
You are more than the ways you survived
Your fight, flight, freeze or fawn response is not your identity. It is part of your history, but it is not the whole of your future.
You did not choose every way your body learned to protect you. But with the right support, you can begin to understand those responses and decide what still serves you.
If trauma is affecting your relationships, sleep, work, confidence or ability to feel present, you do not have to work through it alone. A trauma-informed therapist can help you move at a pace that respects both your experiences and your capacity.
The past may continue to show up because some part of you is still waiting to know that the danger has truly ended.
So perhaps the question is not, “Why can’t I leave the past behind?”
Perhaps it is: What would help the part of me that is still protecting me begin to feel safe enough to live in the present?