The provided text prompts a comparison of teen lifestyles. Without specific data or examples, a direct comparison is not possible. However, generally, teen lifestyles can vary greatly due to factors such as:
To answer 'how similar or different,' one would need to compare specific examples of teen lifestyles, perhaps from different regions or cultural groups. The 'why' would then relate to the aforementioned influencing factors.
To provide a concrete answer, examples of diverse teen lifestyles would be required for comparison.