His self-willedness sometimes troubles the people around him.

He was considering suicide, but with the help of a friend, he abandoned that thought.

Driven into a desperate situation, he chose to commit suicide.

Excessive use of smartphones can potentially lead to undesirable effects such as decreased vision.

We enjoyed a picnic outside of the city.

He is facing many difficulties due to gender identity disorder.

He is receiving treatment for obsessive-compulsive disorder.

His father fell into a persistent vegetative state due to a traffic accident.

We should reduce our energy consumption.

Small nations have less economic influence compared to large nations.