1.   Chances are your stomach gets knotted and you feel distracted, restless, impatient.

2.   Fear and anxiety knotted her stomach.

3.   The old dread knotted her stomach.

4.   And those moments right after liftoff were tension conventions which knotted our stomachs.

5.   And those moments right after lift-off were tension conventions that knotted our stomachs.

6.   The air is cool and smells of smoke and burning hair and flesh and something sweet that knots the stomach.