["I didn't get a promotion I was up for because the person training me disliked me intensely.", 'oooh no  thats was so bad', 'Thanks.  It was pretty awful when I found out she did it on purpose.  I thought I was just bad at the job.']
don't worry there's always another chance
My trainer at my current job was supposed to train me on an experiment.  I believed her when she told me I was learning too slowly.  Turns out she was deliberately ignoring my training because she didn't like me.