The Number of Dogs You See Determines Your Mental Age

in IQ, but in humility, empathy, and perspective.

Cultivate it: Have reflective conversations, volunteer, mentor others, and remain open to different viewpoints.

5. Neuroplasticity

What it is: The brain’s ability to change and reorganize itself through learning and experience throughout life.

Key insight: You’re never “too old” to learn, adapt, or grow mentally.

Support it: Regular physical activity, quality sleep, meaningful social connection, and lifelong learning can all support brain health.

⚠️ What Doesn’t Define Mental Age

  • IQ scores: They measure certain cognitive abilities, not wisdom, empathy, or emotional maturity.
  • How