"Or we wait for someone less muscular than us to walk in and we eat them."

But he is sticking by the door. If it opens, he's jamming his metal arm right in. It's not the most pleasant idea. The arm is hooked up to his nerves and it hurts just like letting a giant door close on a flesh arm, but it's a lot less likely to break, so once he gets the door open, it'll be over.

"I'll take the first watch. You stay comfortable. I have a feeling you've been stuck in here a while and I'd rather not make you squeeze through an air duct if you don't have to, because there's no way I'm fitting in there."