Bet-David draws on research in social psychology to support a point that most people intuitively recognise but few act on seriously: the people you spend time with define the horizon of what feels possible and normal for you. If everyone in your immediate circle earns a similar income, holds similar ambitions, and has similar outcomes, those levels come to feel like the natural range. Exceeding them feels abnormal rather than aspirational. Not because your friends are bad people, but because the reference point shapes the sense of what is realistic. Bet-David is careful not to frame this as a reason to abandon old friendships coldly. He distinguishes between the people who are genuinely on the journey with you, who encourage growth even if they are at a different stage, and the people who actively pull you back toward a smaller definition of yourself. What he does recommend, urgently, is expanding your associations: reading and studying people who have achieved what you want to achieve, finding environments where your ambitions are normal rather than unusual, and actively seeking out mentors and peers who are operating at levels above your current one. The associations you maintain are a form of active choice, even if most people make them passively. Every hour spent in an environment that normalises a certain level of ambition is an hour that adjusts your internal sense of what is possible.