Better head movement, his head stayed in place and Gouti was able to find it way too often. Also better striking defense in general. Chin down, hands up.
Lateral movement, he kept getting pressed into the cage and trapped because all he does is back up in a straight line.
Learn to throw combinations. That Karate style of 1 at a time doesn't work when you're so easy to get backed up to the wall and when you're not a very good counter striker.
I was disappointed to hear he stopped going to school to train full time, and this was the result.