The question makes the turtle visibly stiffen. To him, it sounds like a challenge of that relationship, even if it isn't meant to be. Maybe his answer made it sound like a dismissive thing, and even with no real intent in the question, it still feels like a knife driven into his gut. It severs whatever fragile threads had been holding him together.

Maybe he shouldn't be moving so sharply after just being treated for an injury, but it doesn't keep Donnie from twisting around towards Jason, glare unseen through that visor but implied with the ragged, bordering unhinged edge of his tone.

"My brother died in that stupid battle. I literally went through Hell to get him back," he almost hisses. He ignores the ache in his arm, swallowing down the threat of another sob as his voice drops to almost a whisper as he sags against the chair again. "That's how close we are."