A healthy sex life is important for overall health.

Studying the life cycle of this insect is very interesting.

The sounds of daily life in my house are very calming.

He is a very shy person in real life.

After the earthquake, we were forced to live in evacuation shelters.

His standard of living has improved significantly.

My cost of living is increasing every month.

He values his private life.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

My younger sister became a first-year senior high school student this year.