person A: I'm so ashamed of myself. I made a big mistake on a project for work.
person B: What did you mess up?
person A: It was something for an important client. Now I'm afraid this is going to screw up my career.
person B: I'm sure you'll be fine.  Have you made many similar mistakes in the past?
person A: No_comma_ this is the first time I've messed up anything like this.
person B: I wouldn't worry too much about it then.  Don't let it get you down.