My coworker is better than me at my job. I'm so upset about it. 
My coworker always seems to due my job better than me. She's nothing special so I'm so upset about that. 
user
What kind of work do you do
assistant
We are both sales reps at a car dealer. 
user
Well I'm sure you've both got your own unique skills...what would you say are 3 things you do well?
assistant