11.   His stomach was churning, and his face was drawn.

12.   His stomach churned.

13.   His stomach still churns every time the late innings come.

14.   His stomach churned, his head was woozy, sweat seeped through his light-blue oxford shirt.

15.   It tends to make the stomach churn.

16.   Just thinking about leaving the security of his job caused his stomach to churn and his chest to ache.

17.   Later, his stomach churned, his face flushed and he rushed to the restroom, deeply regretting his choice.

18.   Minutes later, his stomach churned, and he felt like vomiting.

19.   My stomach churned as I ducked into the welcome fluorescence of a convenience store and wondered why anyone in their right mind would ask for this world.

20.   My stomach churned.