Those geezers talked for so long that Yang Kai was already suffering greatly, wanting to end his breakthrough, but unable to do it because it would disturb the oh-so-important discussion going on. I mean, if Yang Kai successfully finished it before Ling had finished his speech, it would have made Ling lose a little bit of face. Stretching and stretching the breakthrough, he must have felt like a man waiting in front of a toilet door in dire need, but the person inside the toilet just wouldn't finish their business and come out.