It's sad-- understandable, but still sad. But if this worked, and they got out of here... they wouldn't dream of leaving anyone behind. Still, he couldn't come out and say that, not when it was still too risky.

"Fine, fine," he says, trying to hold his eye contact, but immediately continuing to disguise it with an "If I go back on my word, you can kill me next time." But hopefully there won't be one.