"It's probably because his energy and physical fitness don't match up, so he's stuck. I think they should exercise more to enhance their physical fitness, and that way they should be able to break through the bottleneck naturally," Yan Mo thought for a bit and then said.
"Later, I'll go find him and talk to him about it, let him exercise more. Your grandfather must have quite a few training methods, so let him bring my grandfather and the others too," Xia Yue thought of Old Master Yan's former identity and said.
"That's possible, he should pick up training again anyway. Since he retired, he hasn't really exercised much," Yan Mo nodded, continuing, "Later, I'll talk to him. They originally liked to compete with each other, which might even more effectively stimulate their enthusiasm for training."