He flinches at the accent, sudden and violent, eyes flying wide as he jerks away and stares at Steve like his touch had suddenly burned.

In stammered Russian: "That's not-- I'm not--"

His gaze unsticks itself from Steve's face and pulls to the man on the glass (the man who looks just like him), and he shudders again, trying to remember the protocol (you will encounter variables in the field, you will maintain your distance, you will not allow external factors to affect you) and he swallows hard, trying to sound sure and instead sounding lost.

"I'm not."