in the book othello he is married to a young girl name desdamona. every one dosnt really want them to get together so iago is trying as hard as he can to get them two to break up. othello is jealous of cassio beacuse he thinks that his wife has feelings for him witch pisses off othello. "if you fit or that it may be done give me advantages of some brief discourse with desdemon alone" pg.115