His eyes dart towards the door, and then towards Aral. Then back to the door, and then back to him. A sudden shiver of panic runs through him. Vorkosigan has the power to unlock and open that door. No - he has the power to let Mark unlock that door. He...doesn't know what to do with unlocked doors. He's never been able to open a door at will. Even the door to his small bedroom on Earth was locked or unlocked according to the will of his handlers, not his own. Once he's walked out of that door -

I can decide everything. His chest tightens with faint alarm. How? How can he...?

"Yeah," he said, his voice going faint, his breath quickening just a bit. It's okay. Calm down. "That'd be good. It's - damp down here." He winces at how inane that sounds, but at least it's a reason.