He developed a habit of bruxism from stress.

He decided to go to the dentist because he grinds his teeth while sleeping.

He is a very careful person.

What is the capacity of this cylinder?

His eyesight is very good.

This situation is uncomfortable.

When he was a child, he received a spanking from his mother when he did something bad.

The anal fin of this fish is very large.

He demonstrated strong willpower to overcome the difficulty.

He is collecting old British shilling coins.