He was diagnosed with mental illness.

His poetry depicts emotions with beautiful expressions.

I'm worried about his health condition.

He has psychopathy, making it difficult for him to understand social rules.

He is an expert in psychiatry.

It's difficult to understand his mental state.

As I thought, he was late.

He is a famous author and a person who is respected by many people.

He described the scenery in detail.

His description was so detailed, it made me feel as if I was there.