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The other one stopped, came back and tried to force a smile.

I force a smile and take his word for it.

He looked at the older man and forced a smile.

She forced a smile, and the talk turned to other things.

Then he forced a smile and came along behind me.

There was no need to force a smile this time.

She looked up into his dark eyes and forced a smile.

She forced a smile to her face and stood up.

She shook her head and tried to force a smile.

I forced a smile and told him it wasn't important.