Communication is very important in the context of instruction. Coach Lain focuses on communicating clearly with all of his athletes to ensure proper, safe execution of all learned skills.
The human brain is a computer running on ancient software. Tumbling is neither logical nor natural, so it cannot be approached thusly. Coach Lain specializes in tumbling psychology.
Athletes need to be pushed, this is necessary. Coach Lain truly believes positive reinforcement & encouragement will take an athlete so much farther than condescension.