There's no magic age where habits solidify forever. The concept of "permanent" habits is more nuanced than a specific age. Instead, consider these factors:
- Habit Formation: Habits develop through repetition and reinforcement. The more you practice a behavior, the stronger the neural pathways become in your brain, making it easier to repeat that behavior.
- Age and Neuroplasticity: While neuroplasticity (the brain's ability to change) decreases with age, it doesn't completely disappear. This means that even as we get older, we can still develop new habits, although it might require more effort and time.
- Consistency and Environment: Habit formation is influenced by consistency and the environment you're in. If you consistently practice a behavior in a supportive environment, it's more likely to become ingrained.
- Personal Factors: Individual differences like personality, motivation, and willpower also play a role in habit formation.
Instead of focusing on a specific age, concentrate on creating a supportive environment, being consistent with your desired behaviors, and practicing patience.