When you're 5'2" yourself, and on the run from a military organization, its always better to be safe then sorry with strangers wandering around in a uniform.
"Duo Maxwell." Duo said, and extended his hand, still wary, but he was less hesitant. He took his hand in a strong, firm grip, with no plans of doing any harm to the older man. "Can't say I'm familiar with Barrayar." Duo commented.