He flatly refused my proposal.

He is really a forgetful person, always forgetting names.

Tryptophan is one of the essential amino acids that cannot be produced in the human body.

His sharp wit helped to solve the problem.

He dreams of ruling the business world.

In order to succeed, you need the right mindset.

Victor is my best friend.

I was surprised by his wild behavior.

He is an amateur train photographer as a hobby.

I missed the important point because I was distracted by his humorous story.