"Alright.  And exactly how do you plan on doing that?  You may be able to trick my senses, confuse me, but clearly you can't control me.  Since your reasons are clearly not good enough to /convince/ me to help you, I'm not going to trust you enough to open it.  Now, if you'll excuse me, I have something else to try."  'Now, if I've still got sensation in the hand in the pocket, it would imply that he only works through visible targets, but the rest of the suit is covering up everything but my head...  Maybe the metal of the panic button?  That doesn't make since. Perhaps because I've been in contact with it the whole time, like the feeling of this suit?  Still, since I don't seem to have much choice...'  Greggory waits a few seconds, thinking over what he's learned so far, and trying to come up with another option, giving the 'voice' another opportunity before he decides whether or not to use the button.