Ultraman Arbitrary Key: Dawn Chapter 25

First, force him to admit reality, treating the symptom. The next step can be to try and treat the root cause.

The reason Akio fantasizes about being an alien and wanting to leave Earth is because he's very dissatisfied with reality, so he wants to escape it all.

As long as his passion for learning and life is ignited, he won't easily fall into fanciful thoughts.

Qi Ming clapped his hands. "Very good. Teachers like honest children, so I've decided to give Akio a little reward."