Fear, Sugar, Lust.
Jaehan scoffed, "Yeah, Hui called and told me about him."
(In case you don't remember, Hui is the guy that Yoonjin and Hosun met at the mall and that Sunny had been jealous of because of how sweet Yoonjin had been with him. Hui is Jaehan's best friend and that's how he and Yoonjin know each other.)
"Hui said he's cute but not as cute as me," Jaehan said proudly, "Anyway, I should probably thank him for keeping you company while I was gone, but now I'm back, daddy. You don't need him anymore."