What does Othello's behavior reveal about his character and the quality of his love for Desdemona?

Othello's behavior reveals that he is a prideful and untrusting man. His love for Desdemona is insecure and jealous.

Although he is a calm and confident warrior, Othello is not necessarily a confident and calm husband and man. His love for Desdemona is not as secure as her love seems for him. He is easily tricked by Iago and thus shows that he is not as secure with her love as he should be.