Song Seunghyun, he join the lesson only after 7 sessions since it started. Being a new student of the guitar lesson for beginners', of course he couldn't really catch up with the other students. They had already figured out how to strum a few different chords properly and he was still still trying to figure out how to finger the chords. Being his teacher, I had no choice but to help him by giving him a few sessions of private couching to make sure he catches up with the rest.