person A: I can understand why you might be jealous of your coworker. I would try to keep your head up.
person B: I'm not jealous of my co-worker though?  What makes you think i'm jealous?
person A: You said that you were envious of his promotion. It is understandable though.
person B: I didn't say that.
person A: Okay_comma_ I am glad to hear that you are no longer feeling jealous.