Previous to Act 5, scene 2, Iago had convinced Othello that Desdemona had made him a cuckold. Othello is totally overcome with rage and love and is deciding to kill Desdemona. This scene is the climax of the play in which the end product of Iago's scheming is revealed. In this scene, Othello is lying next to the sleeping Desdemona and is preparing to kill her. In this soliloquy, Othello reveals his decision to kill Desdemona even though he does not want to because he still loves her.
Othello is very emotional and still feels very strongly about Desdemona. This is first observed through repetition. In the beginning of his soliloquy, Othello says "It is the cause,"(Act 5, scene 2, lines 1 and 3) and later repeats "put out the light," (Act 5, scene 2, lines 7 and 10) three times each. The repetition shows that Othello is trying to force himself to kill Desdemona because he really does not want. He repeats the words to justify his actions. In addition, the repetition emphasizes Othello's emotions, which are very regretful of the action he is about to do. Further on in the soliloquy, Othello repeats "one more," (Act 5, scene 2, lines 18, 19, and 21) three times, in reference to giving Desdemona a kiss. This repetition also emphasizes Othello's emotions in that he does not want to