I think it means he was very anxious.
FRC
As the sun began to set I rode home for dinner, my stomach was twisted in a tight knot.
I think "my stomach was twisted in a tight kno" meant that I could not eat much or could only eat a little bit in dinner.
Right?
I think it means he was very anxious.
FRC
My stomach is usually twisted in a tight knot before I visit the dentist. ;)
Got it.
Thank you.