['I am having some issues with my manager. I have the feeling that I getting fired by the end of this week,', "Oh no! That's not good! What's going on?", "I have the feeling that he doesn't like me. So he is trying his best to create problem with me and to point finger to me when there is a problem."]
That's not a good environment to be in. Maybe you can find something else quickly.
I am having some issues with my manager. I have the feeling that I getting fired by the end of this week,