Olivia_H wrote:
I'm not sure whether people interpret that as an eye-roll, though.
They don't as long as you don't do it this way ->

(Lookin to the left or mid upper as high as you can without moving your head.)
Olivia_H wrote:
It's almost as if I know that people are expecting facial expressions from me but I don't know which one.
As long as you like the people and as you are not talking about really bad things it's mostly enough to smile a little bit in a kind way.