Why does don quixote decide to hurt himself?

a.
he wants to frighten sancho panza.

b.
he is angry at his bad luck.

c.
he has been put under a spell by freston.

d.
he wants to demonstrate his devotion to his lady.

The correct answer is D. He wants to demonstrate his devotion to his lady.

Yes, because grit is the key for self-confidence and success. As Angela Duckworth said “grit is passion and sustained persistence applied toward long-term achievement, with no particular concern for rewards or recognition along the way. It combines resilience, ambition, and self-control in the pursuit of goals that take months, years, or even decades.”