She enjoys her sex life using a sex toy.

His toughness supports him even in difficult situations.

His work has various facets, and each can be interpreted from different perspectives.

This compound has high hydrophilicity, so it mixes very well with water.

Sexology is the scientific study of human sexual behavior and sexuality.

His work is full of ingenuity.

She was sold as a sex slave in the past.

He is suffering from a protopathic disease.

He feels embarrassed to talk about his sex life.

This substance does not mix with water due to its high hydrophobicity.