How to Actually Change Your Habits | Kim Foster | TEDxSurrey
- Aisha Washington
- 2 hours ago
- 6 min read
Changing a habit often begins with optimism. We choose a goal, adopt a new routine, and expect determination to carry us forward. When the effort eventually collapses, however, disappointment can become personal. Instead of questioning the method, we may conclude that we lack discipline or that meaningful change simply is not possible for us.
In her TEDxSurrey talk, Kim Foster proposes a deeper explanation. Techniques such as early-morning routines, cold plunges, and vision boards may help, but they operate at the level of action. Foster argues that lasting change also requires attention to identity: the internal story that tells us who we are, what people like us do, and which possibilities feel believable.
Why Knowing What to Do Is Not Enough
Advice about habits is abundant. Most people already understand the basic mechanics behind common goals: exercise regularly, eat more intentionally, practice a skill, protect time for focused work, or stop repeating a harmful behavior. Yet information alone rarely closes the gap between intention and consistency.
Foster presents habit change as a familiar cycle. Hope produces a burst of effort, early progress raises expectations, and an interruption eventually exposes how fragile the new behavior remains. Once the routine breaks, people often return to the old pattern and interpret the setback as evidence of personal inadequacy.
Her argument is that this pattern cannot always be solved by adding another tactic. A more efficient schedule may improve execution, but it does not necessarily alter the beliefs beneath the behavior. If the new routine conflicts with a person’s established self-image, maintaining it can feel like a continuous argument with oneself.
That distinction shifts the central question. Instead of asking only, “What should I do differently?” Foster invites us to ask, “Who do I believe I am?”
Identity Gives Behavior a Direction
To illustrate the influence of identity, Foster refers to research published in 2011 about voter participation. People were more likely to vote when the behavior was framed as an expression of being “a voter” rather than simply as the act of voting. A small change in language connected a single decision to a larger sense of self.
Foster sees the same mechanism in everyday habits. Someone who is attempting to run must repeatedly negotiate whether to go outside and train. Someone who regards themselves as a runner approaches the decision differently: running is no longer an isolated task but something consistent with who they are.
This does not mean that adopting a label instantly removes difficulty. A runner can still feel tired, a writer can procrastinate, and a non-smoker can experience cravings. The practical difference is that identity gives repeated actions a coherent direction. Each choice either reinforces or contradicts the person one believes oneself to be.
That is why Foster contrasts saying “I’m trying to quit smoking” with identifying as a non-smoker. The first formulation keeps the old identity active while describing an effort to resist it. The second places the unwanted behavior outside the new self-concept. In Foster’s account, actions become easier to repeat when they support an identity rather than threaten it.
The Operating System Beneath Your Habits
Foster uses a technological analogy to explain why behavior-first change can be unstable. Identity functions like an operating system, while habits resemble applications running on top of it. Installing a new application does not guarantee that it will work properly if the underlying system remains incompatible.
A new habit can fail for a similar reason. A person may build an excellent plan for public speaking while continuing to think, “I am someone who freezes in front of groups.” Another may create a careful budget while holding tightly to the belief that they have always been irresponsible with money. The visible behavior is new, but the internal system continues to produce expectations from the past.
From this perspective, relapse is not always proof that the strategy was useless. It may reveal that the new behavior was never integrated into the person’s view of themselves. Willpower can temporarily override that conflict, but Foster argues that identity tends to prevail over time.
The subconscious mind, in her description, favors familiarity. Even an unsatisfying identity can feel safer than an unfamiliar one because it preserves continuity: this is who I have been, so this is who I must remain. Change can therefore produce resistance not merely because a task is difficult, but because success might require surrendering a recognizable version of oneself.
Old Stories Can Limit an Entire Life
Identity shapes more than isolated routines. Foster argues that it can influence the direction of relationships, careers, creative work, leadership, and other consequential choices. A belief such as “I am not entrepreneurial,” “I am the dependable one who never takes risks,” or “I am too old to begin again” can quietly define which opportunities a person notices and which they dismiss.
These identities may once have been useful. They can emerge from family expectations, social roles, past failures, or decisions made under circumstances that no longer exist. The problem begins when an old description is treated as a permanent fact.
Foster highlights the importance of recognizing the story one has been living and asking whether it remains true. That question can be unsettling because an identity provides both limitations and security. Releasing it may mean disappointing others, abandoning a familiar role, or entering a period in which the new self has not yet become comfortable.
She connects this challenge with William Faulkner’s image of leaving the shore to reach new horizons. Growth requires enough courage to loosen one’s attachment to what is known. In Foster’s own account, making a bold professional decision—such as submitting a resignation and stepping toward another role—became possible when she stopped treating her previous identity as an obligation.
Ask Who You Need to Become
The most practical idea in Foster’s talk is also the simplest: begin a change by identifying the person who would naturally sustain it. The objective is not to invent a grandiose persona. It is to choose a believable identity that can guide the next action.
Someone learning a language might move from “I need to study every evening” to “I am becoming a person who practices languages consistently.” A new manager might replace “I should speak up more” with “I am a leader who communicates clearly.” The wording matters only if it changes the meaning of the behavior.
A useful identity should be specific enough to influence decisions but flexible enough to allow imperfection. “I never miss a workout” is brittle; one disrupted day can make the entire identity feel false. “I am someone who returns to movement” is more resilient because it includes recovery after interruptions.
The process can be approached through three linked questions:
What identity is my current behavior protecting?
Is that description still accurate or useful?
What small action would support the person I am becoming?
These questions turn habit formation into more than a scheduling exercise. They expose the assumptions embedded in ordinary choices and create opportunities to revise them.
Build Evidence Through Repeated Action
Foster’s identity-first approach should not be mistaken for positive thinking without action. A new label becomes credible through experience. If someone wants to see themselves as a creator, they need moments of creating; if they want to become reliable, they need to keep manageable promises.
Small actions are valuable because they provide evidence without demanding an immediate transformation. Writing one paragraph, walking for ten minutes, preparing one healthy meal, or practicing a skill briefly may look insignificant in isolation. Repetition changes their meaning. Each instance becomes a vote for a developing identity.
This also makes setbacks easier to interpret. Missing one session need not prove that the new identity was fraudulent. The more useful response is to choose the next action that restores alignment. Identity is strengthened not by flawless performance but by returning to the direction one has chosen.
Over time, the relationship between identity and behavior becomes reciprocal. Self-concept guides action, and action supplies evidence for self-concept. What initially feels deliberate can gradually become familiar.
Reinvention Extends Beyond Personal Habits
Foster closes by expanding the significance of this process. Knowing who we are affects how we parent, lead, create, and serve other people. A revised identity can therefore produce consequences far beyond the original habit.
This is why her message is not simply to try harder. Effort remains necessary, but effort becomes more sustainable when it expresses a self we are prepared to inhabit. The deeper work is to recognize inherited stories, release those that no longer fit, and practice choices that make a different future credible.
Lasting change, in Foster’s view, is designed from the inside out. The goal is not to wait until a new identity feels completely natural before acting. It is to begin acting in ways that allow that identity to take root.
