To prey at fortune. Haply, for I am black And have not those soft parts of conversation Into the vale of years-yet that's not much- She's gone, I am abused, and my relief (III.iii.267-271)
Ha, ha, ha! (IV.i.114)
She gives it out that you shall marry her. Do you intent it? (IV.i.112-113)
Do ye triumph, Roman? Do you triumph? (IV.i.115)
I have not deserved this. (IV.i.233)
This internal conflict of man vs self portrays Othello talking to himself about how he believes one of the reasons Desdemona is having affairs is because of his color, age, and manner. This self-doubt would soon turn into jealousy and further propels the drama by aiding in Iago's revenge. Othello's insecurity is being used by Iago and most likely be the demise for the moor.
This scene in Act IV Scene i shows an external conflict of man vs man between Cassio and Othello. At first, their conflict began with little significant, however, will soon grow into something much greater. Though Cassio was talking about another woman, Othello is convinced that Desdemona was part of Iago and Cassio's conversation. Othello's growing hatred for Cassio would fuel his jealousy even more and propels the drama by assisting in Iago's plans.
The conflict shown here is man vs man and it is between Othello and Desdemona. In this scene, Othello is attacking Desdemona for, in his eyes, mocking him as she said, "Why, sweet Othello-" (IV.i.231) when she tries to comfort her husband. This scene would help to propel the drama by completely broken down