Answer:
In general terms, "sex" refers to the biological differences between males and females, such as the genitalia and genetic differences. "Gender" is more difficult to define, but it can refer to the role of a male or female in society, known as a gender role, or an individual's concept of themselves, or gender identity.
Explanation:
He only started painting when he was 27 years old.
His life is documented on the letters he has wrote.
Before declaring he was an artist, he attempted many other careers.
For most of his life he had a mental illness.
He cut off his own ear.