I'm not all that dumb, [he says dryly.] But if you're so worried about it, then decide not to. What it comes down to is that I've decided to give you a chance. Until you've given me a reason otherwise, I'm going to trust you.

[Plus, Gregor has to admit there is a strong sense of let's see what happens behind this. Give this poor clone a chance to be something other than a clone, and what will he do? Gregor has no more idea than he does, but he's very interested in finding out.

Internally, he scratches lightly at the shut door, barely enough to count as a polite knock. If he opens it just a bit, he'll be able to feel all that patience and curiosity and, yes, developing trust.]

You can feel it for yourself if you like.