Serph nods. That was one of the first things Heat was able to identify, even before his expressions and voice began to take on a harsher quality. Fear. He'd been able to sense it keenly, but not describe what it was.

"It vexed my strategist. We behaved illogically. There was conflict and disagreement within our tribe when there was none before." The corner of his mouth curls up in a small smile as he rests his hand on top of Jack's. "But we became capable of caring for each other. We wanted to protect each other for reasons beyond just survival."