Why a Child Can Know the Rules but Still Struggle to Follow Them

Many parents describe the same frustrating situation. Their child can repeat the rule, explain why it matters, and even tell someone else what they should do. Yet when the child becomes upset, excited, frustrated, or overwhelmed, the rule seems to disappear.

The child may know they should keep their hands to themselves but still hit. They may know they need to wait but repeatedly interrupt. They may understand that throwing toys is not allowed but throw one when something does not go their way.

This can look like deliberate defiance. Sometimes children do test limits or make choices they know are not allowed. However, knowing a rule and being able to follow it in a difficult moment are two different skills.

Knowing Is Not the Same as Doing

Understanding a rule depends on memory and language. Following that rule in the moment requires much more.

A child may need to:

• Remember the rule

• Notice what is happening

• Recognize an emotional or physical reaction

• Stop an impulse

• Consider possible consequences

• Think of another response

• Choose that response

• Carry it out while still upset

These abilities involve emotional regulation and executive functioning. They develop gradually throughout childhood. Stress, fatigue, hunger, sensory overload, anxiety, trauma, developmental differences, and strong emotions can make them harder to use. A child may genuinely know the rule while calm. When the child becomes overwhelmed, access to that knowledge may become limited.

Strong Emotions Affect Self-Control

Children have less access to reasoning and self-control when their nervous systems are highly activated. Imagine a child whose sibling grabs a favorite toy. The child may know that hitting is not allowed. In that moment, however, anger and fear of losing the toy may become stronger than the child’s ability to pause and make another choice. The child may hit first and explain the rule correctly afterward.

This does not mean the child forgot the rule. It means the child could not use the rule effectively while emotionally activated. Adults experience something similar. We may know that we should remain calm during a disagreement but still raise our voices. We may understand the value of patience but become irritable when we are tired or stressed. Children have fewer years of practice managing these reactions.

Impulse Control Is a Developing Skill

Impulse control allows a child to pause before acting. It is not something children either have or do not have. It develops over time and can vary depending on the situation. A child may show good impulse control during a quiet activity but struggle on the playground. Another child may follow directions at school but become dysregulated at home after using considerable energy to manage the school day.

Impulsive behavior may become more noticeable when a child is:

• Excited

• Frustrated

• Tired

• Hungry

• Anxious

• Overstimulated

• Disappointed

• Moving between activities

• Unsure of what will happen next

Repeated reminders may help a child remember the rule, but reminders alone do not build the ability to stop an impulse. Children also need practice, support, and realistic expectations.

Working Memory Can Affect Rule-Following

Working memory allows children to hold information in mind while doing something else.

A parent may say, “Put away your toys, bring your shoes downstairs, and wait by the door.” The child may understand every part of the instruction but complete only the first step. Another child may start putting away toys, notice something interesting, and lose track of the original direction.

This can appear careless or oppositional. The child may simply have difficulty holding several pieces of information in mind. Shorter directions can help. Instead of giving three or four steps at once, give one or two clear instructions. Once those are completed, provide the next step.

Flexibility Also Matters

Following rules often requires children to adjust when circumstances change. A child may understand that screen time ends at 7:00 but still struggle when the time arrives. The difficulty may not come from misunderstanding the rule. The child may have trouble shifting attention, stopping a preferred activity, and accepting that the experience is ending.

Transitions require flexibility. Children must disengage from one activity and prepare for another. This can be especially difficult when a transition is unexpected or when the child feels deeply absorbed in what they are doing. Warnings, routines, visual schedules, and limited choices can make transitions more manageable. These supports do not remove the limit. They help the child develop the skills needed to respond to it.

Stress Can Reduce a Child’s Capacity

A child’s ability to follow rules is not the same every day. Stress can temporarily reduce the child’s capacity for attention, memory, flexibility, and self-control. Children affected by trauma, neglect, loss, family conflict, placement changes, or other disruptions may become highly alert to possible danger or rejection. Their behavior may reflect attempts to protect themselves, gain control, or avoid feeling vulnerable.

A child who has experienced unpredictable caregiving may struggle when an adult says, “Wait. I will help you in a minute.” The child may understand the words but not trust that help will come. Grabbing, demanding, or escalating may have developed as ways to get needs met. This does not mean that limits should disappear. It means adults may need to respond to both the behavior and the need beneath it.

Why Repeating the Rule Is Often Not Enough

When a child breaks a familiar rule, adults often explain it again. Sometimes this is helpful. At other times, the child already understands. A long explanation during an emotional outburst can increase frustration because the child may not be able to process the information. The immediate goal should be helping the child regain enough regulation to respond safely.

You might say:

• “You are angry. I will not let you hit.”

• “You wanted another turn. The tablet is finished for today.”

• “You are having trouble waiting. I will help you.”

• “You may throw the soft ball, but you may not throw the truck.”

These responses acknowledge the child’s experience while maintaining the limit. They also give the child clear information about what can happen next. The rule can be discussed more fully after the child is calm.

Support Without Excusing the Behavior

Understanding why a child struggles does not mean ignoring unsafe or inappropriate behavior. Children need clear and consistent limits. A helpful response includes both understanding and responsibility.

The adult can recognize that the child was overwhelmed while still addressing what happened. For example, a parent might say, “You were very angry when your brother took the toy. Hitting is not safe. Let’s check on him, and then we will practice what you can do next time.”

The goal is not to make the child feel ashamed. The goal is to help the child connect feelings, actions, consequences, and safer choices.

Helping Children Use What They Know

Children build self-control through repeated experiences with supportive adults. Helpful approaches include:

• Give short and specific directions

• State what the child can do

• Prepare the child for transitions

• Keep expectations appropriate for the child’s developmental level

• Practice skills during calm moments

• Offer limited choices when possible

• Notice effort and recovery, not only perfect behavior

• Maintain predictable routines

• Help the child name emotions and physical signals

• Use calm, consistent limits

• Allow time for regulation before discussing the behavior

• Look for patterns involving hunger, fatigue, stress, or sensory overload

Children often need adults to provide structure until they can provide more of it for themselves.

How Play Therapy Can Help

Play therapy gives children a developmentally appropriate setting to strengthen the abilities involved in following limits. Within play therapy, children encounter choices, boundaries, frustration, responsibility, and emotional experiences. The therapist reflects feelings, recognizes the child’s intentions, and sets limits when needed. This helps the child experience strong emotions without losing the safety of the relationship.

Over time, the child may become better able to:

• Recognize feelings before acting

• Tolerate frustration

• Pause before responding

• Accept limits

• Consider different solutions

• Recover after becoming upset

• Communicate needs more directly

• Take responsibility without becoming overwhelmed by shame

Progress may not mean that the child follows every rule immediately. It may first appear as a shorter outburst, less intense behavior, a request for help, or a greater ability to reconnect after a difficult moment.

When a child knows the rules but struggles to follow them, the answer is not always another explanation or a stronger consequence. The child may need help developing the emotional and developmental skills required to use what they already know.

At The Play Therapy Center, behavior is viewed as information. Understanding what interferes with a child’s ability to follow a rule allows adults to respond with clear limits, appropriate support, and realistic expectations.

About the Author

James “Jamie” Carroll, LCPC, LPC, RPT-S, is a licensed clinical professional counselor and Registered Play Therapist-Supervisor at The Play Therapy Center in Belleville, Illinois. His work focuses on play therapy and the emotional, developmental, and relational needs of children, including children affected by trauma, neglect, foster care, adoption, and disruptions in attachment relationships. Learn more about James Carroll.