[ How does he deal with it? He breaks the punching bag in his home gym and then feels like shit until he has a reason not to. He tried to teach Tate about harnessing destruction and aggression a long time ago, and Tate told him he doesn't want to be that person, so - there's nothing he can do but shrug. ]

I don't, really. There's nothing I can do.

[ He's tried force, he's tried talking it out, he's tried gentle coercion - and the city still found a way to bring Tate and Kavinsky together, assuming they weren't getting together behind his back this entire time anyway. Derek doesn't know where Tate goes half the time, and asking or following him or confronting him would just lead to a fight, so - he doesn't do that anymore. Derek looks at Tate, long and hard, before easing his thumb beneath the waistband of his sweatpants and sliding them down, too. ]

I'd rather be jealous than lose you, that's all. Besides - it's not like we're dating. I don't exactly have the right to stop you from doing what you want.

[ Try as he might, this past year and a half. ]