Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...
Take a step back and consider that you can work with someone without friendship.
The feelings, write about them in a journal and process your usual thought pattern. Add to your toolkit positive images of this person to keep your conversations positive and polite.
You can not change how someone else acts. You can change how your reaction and response are, and you will find other's response will change when their usual response no longer fits.
Just because someone says something hurtful does NOT make it true. It is not your problem.
Again, take a step back and consider that you are working first.
Best wishes.