Kyung-tae apologizes again, and Soo-yeol sighs that the powerless have no choice but to apologize and kneel.
All of a sudden, K brings the motorcycle to an abrupt stop.
See for how to do so.
It's like he had to isolate that bit of his personality as a way to protect himself from the past, but now that he's resolved it, he's added that bit of crazy into his personality.
I do wish we had more Boss Yong in the finale, but it was so satisfying to watch her murder Yun Ho in such a gory manner.
But I suppose that 1 year time skip in the end will have to do.