Yes Jaekyung has an asshole personality. However, hes helped Doc Dan a lot. Paying off his bills, saving him from the thugs, being nice to his grandma, gave him a place to live and a job. It's not like hes beating up Doc or forcing him to stay against his will. It was a mutual agreement. Doc could have said no and Jaekyung could have found someone else to do it with. Like do yall really think an MMA fighter can afford being a softie, and Jaekyung has a lot on his plate as well.