Roberta,
I very much understand. I was born and raised in a larger city,
but having moved to rural Nebraska it took me a while to get used
to the fact that people here in social situations do not feel the
need "keep going." Longer periods of silence (for me 1-2 minutes)
are completely acceptable and you sit around and just look at
each other.
Well, I'm getting used to it and have found that it helped me.
It helped me in terms of feeling a little more self-confident that
I didn't always have to be saying something.
It is very much a culture thing.
The Chinese can be quiet for hours, that's why they're good at
business deals. They drive the Americans crazy!