He decided to undergo sex change surgery.

His sociability is an important factor for his success as a leader.

He is suffering from acquired immunodeficiency syndrome.

He is an intersex person, possessing both male and female gender characteristics.

Could you show me your passport to confirm your identity?

She enjoys her sex life using a sex toy.

Gender discrimination is one of the social issues that needs to be resolved.

His toughness supports him even in difficult situations.

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

It's difficult to understand his real nature.