He took the drug to enhance his ability to see punches in a different plane of existence. If he can access his mind to view the various dimensions, through the threat of getting hurt he can then tap into his pineal gland which secretes it's juices allowing him to see punches slower and react in the best angle of attacks. This perceptions taps into his inner intelligence releasing his limiter, he can see holistically, his spatial awareness radius becomes wider, his surroundings he sees before his eyes becomes beautiful. The colors and senses he witnesses throughout the battle tells him the story he yearned for as a child, it overwhelms him with emotions which only serve to heighten his strengths........He blinks and is sitting in the locker room thinking what the fuck just happened. In the end he knew what he had done, and it was worth it.
This perception threatens the man, for the man knows the psychedelics to be true. The man forbids it out of fear that relinquishing those who find the necters to the netherworld would one day challenge him.