He went down on his heels, peering into the darkness and so close to the edge it made my belly clench to see him.
His belly clenched; he felt cold all over.
His belly clenched, and he felt as if the air around him were about to thicken, to curdle like cheese.
Her belly clenched with imminent and exquisite rapture.
To her complete surprise, her belly clenched with sudden hunger, and moisture pooled.
Rose breathed from her diaphragm while her belly clenched again.
Daja heard screams inside the roar of fire; her belly clenched.
His belly clenched at the thought of her having to live off the land.
But it didn't make his belly clench with longing.
Her voice stayed calm even as her belly clenched.