He is posting private tweets by creating a private account.

His nature is very kind.

Detailed information is needed to understand the nature of that project.

I was moved by his sincerity.

His nature is very kind.

Gender identity refers to the gender that each individual recognizes themselves as.

Believing that failure is a stepping stone to success, he challenged again.

Believing that failure leads to success, he continued to challenge himself over and over again.

He is facing many difficulties due to gender identity disorder.

The possibility of that plan succeeding is high.