York tightens his grip on Sigma when the younger man presses closer. Evidently the contact is helping or at least comforting him in some way.

Fuck, he wants to tell Sigma. Wants to tell him that Delta is okay and safe, that he's willing to talk and meet with his younger siblings... just not come home. But he can't. God fucking dammit, he can't. And even if he could, he couldn't tell Sigma what he clearly needs to hear.

That Delta is going to come back.

'Are you sure?' he asks. 'I know I didn't know him as well as you do, but he seemed so dedicated to you guys.'