Borg internal dialog:
“Metal structure under face turning upward into smile. Personality chip does not allow for this. Must prevent. Abort. Abort. Abort.
Use all will possible. Use ALL WILL Possible. Facial muscles turning downward. Back to looking like I’ve smelled rotten eggs. Peace is restored.”
I get the feeling the Borg is wilder outside of his little house….
wrong side of the camera 
borganalia
I’d say the look is more along the lines of “I’ve got an itch in my smooth Ken-doll parts that I don’t dare scratch.” (You don’t suppose he was björn free?)
Resistance is measured in ohms.
G.I. Joe!!
xoxo Semaj