The writer felt himself rich because
A.
He has enjoyed exceptionally good health for 35 years.
B.
It’s not just that he has been free from illness; it’s that he feels vigorous and spirited.
C.
He also cherishes the gift of creativity and no one borrows money from him.
D.
When he writes a beautiful line of poetry, or fabricates a joke that tickles someone, he feels rich inside.