As far as Capochin's concerned, he's the one who ought to have been jealous of Shen Qingqiu's flirting with Hector, which he's managed to worth through. He gives no party to the idea of it being the other way around. (Besides, Shen Qingqiu acknowledged Capochin as being Hector's man. That's progress, right?

"Hi, baby, you want any?" He pulls one of the rarer steaks off the grill, knowing Hector's preference already.