Gen ... had faith in the others, but he and Senku played vital roles. Even if he wasn't taken at a point in time that explicitly placed others at risk. Their friends would miss them. Especially Senku. Gen was a lot less important to them, but ...

"See, at least you aren't bored, my dear," Gen giggled.

He tore into his food - Gen wasn't kidding about being hungry before. Even if he was curious, "I wonder what meat this is?"